Interstate 70 in Illinois
Encyclopedia
Interstate 70 is a part of the Interstate Highway System
Interstate Highway System
The Dwight D. Eisenhower National System of Interstate and Defense Highways, , is a network of limited-access roads including freeways, highways, and expressways forming part of the National Highway System of the United States of America...

 that runs from Cove Fort, Utah
Cove Fort, Utah
Cove Fort is a fort and historical site located in Millard County, Utah. It was founded in 1867 by Ira Hinckley at the request of Brigham Young. One of its distinctive features is the use of volcanic rock in the construction of the walls, rather than the wood used in many mid-19th century...

 to Baltimore, Maryland. In the U.S. state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

, the Interstate highway runs 160 miles (257.5 km) from the Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

 state line at the Mississippi River
Mississippi River
The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

 in East St. Louis
East St. Louis, Illinois
East St. Louis is a city located in St. Clair County, Illinois, USA, directly across the Mississippi River from St. Louis, Missouri in the Metro-East region of Southern Illinois. As of the 2010 census, the city had a total population of 27,006, less than one-third of its peak of 82,366 in 1950...

 east to the Indiana
Indiana
Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...

 state line near Marshall
Marshall, Illinois
Marshall is a city in Clark County, Illinois, United States, locatedabout west of Terre Haute, Indiana. The population was 3,771 at the 2000 census...

. I-70, which runs in a generally east-northeast direction across the state parallel to and sometimes concurrent
Concurrency (road)
A concurrency, overlap, or coincidence in a road network is an instance of one physical road bearing two or more different highway, motorway, or other route numbers...

 with U.S. Route 40 (US 40), connects St. Louis
St. Louis, Missouri
St. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...

 and the Metro-East
Metro-East
Metro East is a region in Illinois that comprises the eastern suburbs of St. Louis, Missouri, United States. It encompasses five Southern Illinois counties in the St. Louis Metropolitan Statistical Area. The region's most populated city is Belleville at 45,000 residents...

 region of Illinois with the Indiana cities of Terre Haute
Terre Haute, Indiana
Terre Haute is a city and the county seat of Vigo County, Indiana, United States, near the state's western border with Illinois. As of the 2010 census, the city had a total population of 60,785 and its metropolitan area had a population of 170,943. The city is the county seat of Vigo County and...

 and Indianapolis
Indianapolis, Indiana
Indianapolis is the capital of the U.S. state of Indiana, and the county seat of Marion County, Indiana. As of the 2010 United States Census, the city's population is 839,489. It is by far Indiana's largest city and, as of the 2010 U.S...

, as well as many small towns along the northern edge of Southern Illinois and the southern tier of the Central Illinois
Central Illinois
Central Illinois is a region of the U.S. state of Illinois that consists of the entire central section of the state, divided in thirds from north to south. It is an area of mostly flat prairie. The western section was originally part of the Military Tract of 1812 and forms the distinctive western...

 region. Within Metro-East, I-70 has junctions with I-64 in East St. Louis and I-55
Interstate 55 in Illinois
In the U.S. state of Illinois, Interstate 55 is a major north–south Interstate Highway that connects the St. Louis, Missouri and Chicago metropolitan areas. It runs from the Poplar Street Bridge in East St. Louis to U.S. Route 41 near downtown Chicago...

 near Troy
Troy, Illinois
Troy is a city in Madison County, Illinois, United States. The population was 8,524 at the 2000 census.Troy is part of the St. Louis Metropolitan Statistical Area...

; these three Interstates cross the Mississippi River into St. Louis together. I-70 also intersects the two Interstates that form St. Louis's beltway
Ring road
A ring road, orbital motorway, beltway, circumferential highway, or loop highway is a road that encircles a town or city...

: I-255
Interstate 255
Interstate 255 is a bypass route of Interstate 55 near St. Louis, Missouri and with Interstate 270, it forms a loop around the city. Even though St. Louis is in Missouri, a majority of the route runs through Illinois. It shares its southern terminus with 270 at the junction with Interstate 55, 270...

 near Collinsville
Collinsville, Illinois
Collinsville is a city located mainly in Madison County, and partially in St. Clair County, both in Illinois. As of the 2010 census, the city had a population of 26,016. Collinsville is approximately 12 miles from St. Louis, Missouri and is considered part of that city's Metro-East area...

 and I-270 at the I-55 junction near Troy. East of the Metro-East region, I-70 meets US 51 in Vandalia
Vandalia, Illinois
Vandalia is a city in Fayette County, Illinois, United States, northeast of St. Louis, on the Kaskaskia River. From 1819 to 1839 it served as the state capital of Illinois. Vandalia was the western terminus of the National Road. Today it is the county seat of Fayette County and the home of the...

 and both I-57
Interstate 57
Interstate 57 is an Interstate Highway in Missouri and Illinois that parallels the old Illinois Central rail line for much of its route. It goes from Miner, Missouri, at Interstate 55 to Chicago, Illinois, at Interstate 94. I-57 essentially serves as a shortcut route for travelers headed between...

 and US 45
U.S. Route 45 in Illinois
In the U.S. state of Illinois, U.S. Route 45 is a major north–south highway that runs from the Irvin S. Cobb Bridge over the Ohio River at Brookport north through rural sections of eastern Illinois and then through the suburbs of Chicago to the Wisconsin border east of Antioch. This is a...

 in Effingham
Effingham, Illinois
Effingham is a city in Effingham County, Illinois, United States. The population was 12,384 at the 2000 census. It is the county seat of Effingham County....

. Like all Interstate highways, I-70 is a part of the National Highway System
National Highway System (United States)
The National Highway System is a network of strategic highways within the United States, including the Interstate Highway System and other roads serving major airports, ports, rail or truck terminals, railway stations, pipeline terminals and other strategic transport facilities.Individual states...

 for its entire length in Illinois.

Route description

I-70 enters Illinois from St. Louis by crossing the Mississippi River on the eight-lane Poplar Street Bridge
Poplar Street Bridge
The Poplar Street Bridge, officially the Bernard F. Dickmann Bridge, completed in 1967, is a long deck girder bridge across the Mississippi River between St. Louis, Missouri and East St. Louis, Illinois...

 into the city of East St. Louis in St. Clair County
St. Clair County, Illinois
St. Clair County is a county located in the U.S. state of Illinois. In 1970, the U.S. Census Bureau placed the mean center of U.S. population in St. Clair County. According to the 2010 census, it has a population of 270,056, which is an increase of 5.5% from 256,082 in 2000. Its county seat is...

. I-70 runs concurrently with I-55, I-64, and US 40 entering the state. At the east end of the bridge, the Interstate splits into express and local lanes, both with two lanes each direction, as it passes through a pair of directional interchanges. The first interchange is for IL 3
Illinois Route 3
Illinois Route 3 is a major north–south arterial state highway in southwestern Illinois. It has its southern terminus at Cairo Junction at the intersection of Interstate 57 and U.S. Route 51, and its northern terminus in Grafton at Illinois Route 100...

, which heads south toward Cahokia
Cahokia, Illinois
Cahokia is a village in St. Clair County, Illinois, United States. As of the 2000 census, the village had a population of 16,391. The name is a reference to one of the clans of the historic Illini confederacy, who were encountered by early French explorers to the region.Early European settlers also...

, and the second is for Tudor Avenue and Piggott Avenue, which form a one-way pair in a residential area of East St. Louis. The east end of the interchange complex has an eastbound exit to Fourth Street and a westbound entrance from Main Street. IL 3 joins the highway to form a five-way concurrency, which reduces from eight to six lanes. The Interstate curves around downtown East St. Louis and has two partial interchanges, both with westbound exit and eastbound entrance, for the Martin Luther King Bridge
Martin Luther King Bridge (St. Louis)
The Martin Luther King Bridge in St. Louis is a cantilever truss bridge of about in total length across the Mississippi River, connecting St. Louis with East St. Louis, Illinois. The bridge serves as traffic relief connecting the concurrent freeways of Interstate 55, Interstate 70, Interstate...

 and Eads Bridge
Eads Bridge
The Eads Bridge is a combined road and railway bridge over the Mississippi River at St. Louis, connecting St. Louis and East St. Louis, Illinois....

 toward Downtown St. Louis
Downtown St. Louis
Downtown St. Louis is the central business district of St. Louis, Missouri, the hub of tourism and entertainment, and the anchor of the St. Louis metropolitan area. The downtown is bounded by Cole Street to the north, the river front to the east, Chouteau Avenue to the south, and Jefferson Avenue...

; both roadways temporarily expand to five lanes. I-64 and IL 3 (St. Clair Avenue) leave the concurrency at the next interchange, taking two lanes from each direction. I-70 and I-55 have a westbound exit to and eastbound entrance from Exchange Street before the Interstate leaves the city of East St. Louis by crossing over the main east–west railroad line.

I-70 and I-55 have an interchange with IL 203
Illinois Route 203
Illinois Route 203 is a north–south state road in southwestern Illinois. It runs from just south of I-55, I-70, and U.S. 40 around Gateway International Raceway at Collinsville Road in Fairmont City, north to I-270 near Pontoon Beach. This is a distance of . Illinois 203 is a former segment...

 before entering Madison County
Madison County, Illinois
Madison County is a county located in the U.S. state of Illinois. Madison County is part of the Metro-East region of the St. Louis Metro Area. According to the 2010 census, it has a population of 269,282, which is an increase of 4.0% from 258,941 in 2000. The county seat is Edwardsville, home to...

. The Interstate has a diamond interchange with IL 111
Illinois Route 111
Illinois Route 111 is a north–south state road in southwestern Illinois. It runs from Short Street in Centreville to Illinois Route 104 in Waverly. This is a distance of .- Route description :...

 just north of Fairmont City
Fairmont City, Illinois
Fairmont City is a village in St. Clair and Madison Counties, Illinois, United States. The population was 2,436 at the 2000 census. Fairmont City holds the highest percentage of Hispanics in the entire St...

 and a partial interchange with Black Lane before the highway's interchange with I-255 west of Collinsville. I-70 and I-55 curve northeast around Collinsville and leave the floodplain
Floodplain
A floodplain, or flood plain, is a flat or nearly flat land adjacent a stream or river that stretches from the banks of its channel to the base of the enclosing valley walls and experiences flooding during periods of high discharge...

 of the Mississippi River at the interchange with IL 157
Illinois Route 157
Illinois Route 157 is a north–south highway in southwestern Illinois. Its southern terminus is at Illinois Route 3 at Cahokia, Illinois and its northern terminus at Illinois Route 140 in Hamel. This is a distance of .- Route description :...

 (Bluff Road), where the highway reduces to four lanes. The Interstate passes between Collinsville and Maryville
Maryville, Illinois
Maryville is a village in Madison County, Illinois, United States. The population was 4,651 at the 2000 census. The population grew to 5,899 in 2004, according to a special census.-Geography:Maryville is located at ....

, which are both served by the next interchange with IL 159
Illinois Route 159
Illinois Route 159 is a north–south state road in southwestern Illinois. Its southern terminus is at Illinois Route 3 and Illinois Route 154 in Red Bud and its northern terminus at Illinois Route 16 in Royal Lakes. This is a distance of ....

 (Vandalia Street/Maryville Road). US 40 leaves the freeway at a trumpet interchange southwest of Troy. I-70 and I-55 curve to the north and meet IL 162
Illinois Route 162
Illinois Route 162 is an east–west highway in southwestern Illinois. It runs from Illinois Route 203 in Granite City east to U.S. Route 40 near Troy. This is a distance of .- Route description :...

 (Edwardsville Road) before I-70 and I-55 diverge at the highways' interchange with I-270. The interchange, Exit 20, is a full cloverleaf except for a flyover ramp for westbound I-70 to join southbound I-55. Westbound I-70's interchange number is Exit 15, marking the continuation of I-270's number sequence that I-70 will carry east to Indiana.

I-70 meets IL 4
Illinois Route 4
Illinois Route 4 is a long state road that runs south from the Interstate 55 business loop around Springfield south to Illinois Route 13 just north of Murphysboro. This is a distance of .-Route description:...

 and IL 143
Illinois Route 143
Illinois Route 143 is an east–west state highway in southwestern Illinois. Its western terminus is at U.S. Route 67 in Alton. Its eastern terminus at Illinois Route 127 at a rural intersection west of Tamalco...

 to the south and east of Marine
Marine, Illinois
Marine is a village in Madison County, Illinois, United States. The population was 910 at the 2000 census. It is the home of NASCAR driver Mark Voigt.-Geography:Marine is located at ....

 before crossing Highland Silver Lake. US 40 joins I-70 again near Pierron, Illinois
Pierron, Illinois
Pierron is a village in Bond and Madison counties, Illinois, United States. The population was 653 at the 2000 census.-History:Pierron was incorporated as a village in 1893. It is on the Bond and Madison county line...

 and run concurrently into Bond County
Bond County, Illinois
Bond County is a county located in the U.S. state of Illinois. It is part of the St. Louis Metro Area. According to the 2010 census, it has a population of 17,768, which is an increase of 0.8% from 17,633 in 2000. Its county seat is Greenville, Illinois....

, where the highways separate at Pocahontas
Pocahontas, Illinois
Pocahontas is a village in Bond County, Illinois, United States. The population was 727 at the 2000 census. Pocahontas is the hometown of country music singer Gretchen Wilson and also the hometown of alt-country noise rockers Grandpa's Ghost.-History:...

, where I-70 crosses Shoal Creek
Shoal Creek (Illinois)
Shoal Creek is a watercourse in the U.S. state of Illinois. It rises near Harvel, Illinois and, flowing southward through Lake Lou Yaeger, discharges into the Kaskaskia River near Okawville. It drains parts of Montgomery County, Bond County, and Clinton County. Shoal Creek is named for the many...

. US 40 continues to closely parallel I-70 until the next interchange, which is a connector to US 40 southwest of Greenville
Greenville, Illinois
Greenville is a city in Bond County, Illinois, United States, east of St. Louis. The estimated population as of July 2009 is 7,284. The population was 6,955 at the 2000 census. It is the county seat of Bond County....

. The two highways pass to the south of Greenville, which is also served via an interchange with IL 127
Illinois Route 127
Illinois Route 127 is a north–south highway in central and southern Illinois. Its southern terminus is at Illinois Route 3 near Olive Branch and its northern terminus at Interstate 55, along with the southern terminus of Illinois Route 48 in Raymond. This is a distance of .- Route description...

. East of Mulberry Grove
Mulberry Grove, Illinois
Mulberry Grove is a village in Bond County, Illinois, United States. The population was 671 at the 2000 census.-History:Mulberry Grove has existed under the names Bucktown, Houston and Shakerag...

, I-70 and US 40 cross to the north side of the east–west rail line and again closely parallel each other into Fayette County
Fayette County, Illinois
Fayette County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 22,140, which is an increase of 1.6% from 21,802 in 2000. Its county seat is Vandalia...

. I-70 passes along the northern edge of Vandalia, with access to the county seat of Fayette County provided by an interchange with US 40 on the west side and US 51 (Kennedy Boulevard) to the north. Just east of US 51, I-70 crosses the Kaskaskia River
Kaskaskia River
The Kaskaskia River is a tributary of the Mississippi River, approximately long, in central and southern Illinois in the United States. The second largest river system within Illinois, it drains a rural area of farms, as well as rolling hills along river bottoms of hardwood forests in its lower...

. I-70 crosses to the south side of both the rail line and US 40 (Cumberland Road) between Bluff City and Brownstown. The Interstate passes to the south of St. Elmo
St. Elmo, Illinois
St. Elmo is a city in Fayette County, Illinois, United States. The population was 1,456 at the 2000 census.-Geography:St. Elmo is located at ....

 before entering Effingham County to the west of an interchange with IL 128
Illinois Route 128
Illinois Route 128 is a north–south state road in east-central Illinois. It runs from Interstate 70 in Altamont to Illinois Route 121 in Dalton City. This is a distance of .- Route description :...

 at Altamont
Altamont, Illinois
Altamont is a city in Effingham County, Illinois, United States. The population was 2,283 at the 2000 census.-Geography:Altamont is located at . According to the United States Census Bureau, the city has a total area of , all of it land.-Demographics:As of the census of 2000, there were 2,283...

.

Immediately after crossing the Little Wabash River
Little Wabash River
The Little Wabash River is a tributary of the Wabash River in east-central and southeastern Illinois in the United States. Via the Wabash and Ohio rivers, it is part of the watershed of the Mississippi River.-Course:...

, I-70 joins I-57 in a concurrency to pass around the west and north sides of Effingham. The two Interstates use I-57's exit sequence during the overlap. I-70 and I-57 intersect Fayette Avenue, IL 32
Illinois Route 32
Illinois Route 32 is a north–south highway with its southern terminus at U.S. Route 40 and Illinois Route 33 in Effingham and its northern terminus at Illinois Route 48 at Cisco, a few hundred feet south of Interstate 72...

 and IL 33
Illinois Route 33
Illinois Route 33 is a multidirectional highway in southeastern Illinois, with its western terminus at Illinois Route 128 on the Fayette–Effingham county line near Beecher City and its southern terminus at U.S. Highway 50 east of Lawrenceville. It also overlaps Illinois Route 32 from Shumway to...

 (Keller Drive), and US 45 (Third Street) before diverging near Teutopolis
Teutopolis, Illinois
Teutopolis is a village in Effingham County, Illinois.-Geography:Teutopolis is located at .According to the United States Census Bureau, the village has a total area of , all of it land.-History:...

. Just east of Montrose
Montrose, Illinois
Montrose is a village in Effingham and Cumberland counties in the U.S. state of Illinois. The population was 257 at the 2000 census.The Effingham County portion of Montrose is part of the Effingham Micropolitan Statistical Area, while the small portion that lies in Cumberland County is part of the...

, I-70 enters Cumberland County, where the Interstate has one interchange with IL 130
Illinois Route 130
Illinois Route 130 is a north–south state road in eastern Illinois. It runs from Illinois Route 1 in Grayville north to Interstate 74 in Urbana. This is a distance of . Illinois 130 is the main north–south road through Charleston, the home of Eastern Illinois University.- Route...

 (Haughton Highway) at Greenup
Greenup, Illinois
Greenup is a village in Cumberland County, Illinois, United States, along the Embarras River. The population was 1,532 at the 2000 census. It is part of the Charleston–Mattoon Micropolitan Statistical Area....

, where the highway crosses the Embarras River
Embarras River
The Embarras River is a tributary of the Wabash River in southeastern Illinois in the United States. The waters of the Embarras reach the Gulf of Mexico via the Wabash, Ohio, and Mississippi rivers. The river drains a watershed of approximately in an agricultural region...

. The Interstate continues into Clark County for an interchange with IL 49
Illinois Route 49
Illinois Route 49 is a north–south state highway in east-central Illinois. It runs from Willow Hill at Illinois Route 33 north to the beginning of the U.S. Route 45/52 concurrency near Ashkum. This is a distance of .- Route description :...

 north of Casey
Casey, Illinois
Casey is a city in Clark and Cumberland counties in the U.S. state of Illinois. The population was 2,942 at the 2000 census.The Cumberland County portion of Casey is part of the Charleston–Mattoon Micropolitan Statistical Area.-Geography:...

. I-70 crosses the North Fork Embarras River
North Fork Embarras River
The North Fork Embarras River is a stream which originates in Edgar County, Illinois, and flows through Clark, Crawford and Jasper counties. Its confluence with the Embarras River is located near the town of Ste. Marie in Jasper County. It is a major tributary to the Embarras River...

 north of Martinsville
Martinsville, Illinois
Martinsville is a city in Clark County, Illinois, United States. The population was 1,225 at the 2000 census.-Geography:Martinsville is located at ....

, then has a junction with IL 1
Illinois Route 1
Illinois Route 1 is a state highway in the U.S. state of Illinois. Running parallel to the Indiana border, it is also the longest state road, starting on the south side of Chicago as Halsted Street at the intersection with 95th Street, south to a free ferry crossing to Kentucky at Cave-In-Rock on...

 north of the county seat of Marshall. Northeast of Marshall, US 40 joins I-70 in a concurrency. The Interstate and U.S. highway cross the Indiana state line west of Terre Haute while closely paralleling the original alignment of US 40, Illiana Drive.

Exit list

I-70 uses I-55's exit number sequence from the Missouri state line to Exit 20 (I-55/I-70/I-270). East of I-270, I-70 continues I-270's exit sequence from Exit 15 at the I-55/I-70/I-270 interchange. I-70 uses I-57's exit number sequence during their concurrency around Effingham
Effingham, Illinois
Effingham is a city in Effingham County, Illinois, United States. The population was 12,384 at the 2000 census. It is the county seat of Effingham County....

.

{| class=wikitable
!County
!Location
!Mile
!#
Exit number
An exit number is a number assigned to a road junction, usually an exit from a freeway. It is usually marked on the same sign as the destinations of the exit, as well as a sign in the gore....


!Destinations
!Notes
|-
|rowspan=7|St. Clair
St. Clair County, Illinois
St. Clair County is a county located in the U.S. state of Illinois. In 1970, the U.S. Census Bureau placed the mean center of U.S. population in St. Clair County. According to the 2010 census, it has a population of 270,056, which is an increase of 5.5% from 256,082 in 2000. Its county seat is...


|rowspan=6|East St. Louis
East St. Louis, Illinois
East St. Louis is a city located in St. Clair County, Illinois, USA, directly across the Mississippi River from St. Louis, Missouri in the Metro-East region of Southern Illinois. As of the 2010 census, the city had a total population of 27,006, less than one-third of its peak of 82,366 in 1950...


|
|
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|Western terminus of I-70 in Illinois; Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

 state line on the Poplar Street Bridge
Poplar Street Bridge
The Poplar Street Bridge, officially the Bernard F. Dickmann Bridge, completed in 1967, is a long deck girder bridge across the Mississippi River between St. Louis, Missouri and East St. Louis, Illinois...

 over the Mississippi River
Mississippi River
The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...


|-
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|1
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|South end of concurrency with IL 3
|-
|
|2A
|Martin Luther King Bridge
Martin Luther King Bridge (St. Louis)
The Martin Luther King Bridge in St. Louis is a cantilever truss bridge of about in total length across the Mississippi River, connecting St. Louis with East St. Louis, Illinois. The bridge serves as traffic relief connecting the concurrent freeways of Interstate 55, Interstate 70, Interstate...

 – Downtown St. Louis
Downtown St. Louis
Downtown St. Louis is the central business district of St. Louis, Missouri, the hub of tourism and entertainment, and the anchor of the St. Louis metropolitan area. The downtown is bounded by Cole Street to the north, the river front to the east, Chouteau Avenue to the south, and Jefferson Avenue...


|Westbound exit, eastbound entrance
|-
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|2B
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|Westbound exit, eastbound entrance
|-
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|2C
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|Signed as exit 2 eastbound; north end of concurrency with IL 3; east end of concurrency with I-64
|-
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|3
|Exchange Avenue
|Westbound exit, eastbound entrance
|-
|Canteen Township
Canteen Township, St. Clair County, Illinois
Canteen Township is located in St. Clair County, Illinois. The population was 12,032 at the 2000 census. Canteen Township was formed from Centreville Station Township when it was subdivided on March 5, 1910.- External links :****...


|
|4
|
|Split into exits 4A (south) and 4B (north) westbound
|-
|rowspan=11|Madison
Madison County, Illinois
Madison County is a county located in the U.S. state of Illinois. Madison County is part of the Metro-East region of the St. Louis Metro Area. According to the 2010 census, it has a population of 269,282, which is an increase of 4.0% from 258,941 in 2000. The county seat is Edwardsville, home to...


|rowspan=2|Nameoki Township
Nameoki Township, Madison County, Illinois
Nameoki Township is located in Madison County, Illinois. The population was 11,186 at the 2000 census.- External links :****...


|
|6
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|-
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|9
|Black Lane south
|Eastbound exit, westbound entrance
|-
|rowspan=2|Collinsville Township
Collinsville Township, Madison County, Illinois
Collinsville Township is located in Madison County, Illinois. The population was 32,954 at the 2000 census.- External links :***...


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|10
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|-
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|11
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|-
|Maryville
Maryville, Illinois
Maryville is a village in Madison County, Illinois, United States. The population was 4,651 at the 2000 census. The population grew to 5,899 in 2004, according to a special census.-Geography:Maryville is located at ....


|
|15
|
|Split into exits 15A (south) and 15B (north)
|-
|Jarvis Township
Jarvis Township, Madison County, Illinois
Jarvis Township is located in Madison County, Illinois. The population was 12,062 at the 2000 census.- External links :***...


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|17
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|East end of concurrency with US 40
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|Troy
Troy, Illinois
Troy is a city in Madison County, Illinois, United States. The population was 8,524 at the 2000 census.Troy is part of the St. Louis Metropolitan Statistical Area...


|
|18
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|
|-
|Pin Oak Township
Pin Oak Township, Madison County, Illinois
Pin Oak Township is located in Madison County, Illinois. The population was 2,607 at the 2000 census.- External links :***...


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|20
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|Split into exits 15A (I-70) and 15B (I-270) eastbound, with no exit number for I-55; exit 15B westbound is for I-55, with no exit number for I-270; east end of concurrency with I-55
|-
|rowspan=2|Marine Township
Marine Township, Madison County, Illinois
Marine Township is located in Madison County, Illinois. The population was 1,922 at the 2000 census.- External links :***...


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|21
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|-
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|24
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|Saline Township
Saline Township, Madison County, Illinois
Saline Township is located in Madison County, Illinois. The population was 4,372 at the 2000 census. Saline Township covers the northern part of Highland, most of Grantfork, and the Madison County portion of Pierron. The government offices are in Woodcrest Drive in Highland.- External links :***...


|
|30
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|West end of concurrency with US 40
|-
|rowspan=4|Bond
Bond County, Illinois
Bond County is a county located in the U.S. state of Illinois. It is part of the St. Louis Metro Area. According to the 2010 census, it has a population of 17,768, which is an increase of 0.8% from 17,633 in 2000. Its county seat is Greenville, Illinois....


|Old Ripley Township
Old Ripley Township, Bond County, Illinois
Old Ripley Township is one of nine townships in Bond County, Illinois, USA. As of the 2000 census, its population was 796.-Geography:According to the United States Census Bureau, Old Ripley Township covers an area of ; of this, or 0.02 percent is water....


|
|36
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|East end of concurrency with US 40
|-
|rowspan=2|Central Township
Central Township, Bond County, Illinois
Central Township is one of nine townships in Bond County, Illinois, USA. As of the 2000 census, its population was 7,941.-Geography:According to the United States Census Bureau, Central Township covers an area of ; of this, or 0.1 percent is water....


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|41
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|-
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|45
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|Pleasant Mound Township
Pleasant Mound Township, Bond County, Illinois
Pleasant Mound Township is one of nine townships in Bond County, Illinois, USA. As of the 2000 census, its population was 1,178.-Geography:According to the United States Census Bureau, Pleasant Mound Township covers an area of ; of this, or 0.14 percent is water.-Cities:* Greenville *...


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|Mulberry Grove Road – Mulberry Grove
Mulberry Grove, Illinois
Mulberry Grove is a village in Bond County, Illinois, United States. The population was 671 at the 2000 census.-History:Mulberry Grove has existed under the names Bucktown, Houston and Shakerag...

, Keyesport
Keyesport, Illinois
Keyesport is a village in Bond and Clinton counties, Illinois, United States. The population was 481 at the 2000 census.-History:Keyesport was named in honor of its postmaster, Thomas Keyes. It is on the line of Clinton County and Bond County. It was incorporated as a village in...


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|rowspan=4|Fayette
Fayette County, Illinois
Fayette County is a county located in the U.S. state of Illinois. According to the 2010 census, it has a population of 22,140, which is an increase of 1.6% from 21,802 in 2000. Its county seat is Vandalia...


|Vandalia Township
Vandalia Township, Fayette County, Illinois
Vandalia Township is one of twenty townships in Fayette County, Illinois, USA. At the 2000 census, its population was 8,104.-Geography:According to the United States Census Bureau, Vandalia Township covers an area of ; of this, or 0.82 percent is water....


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|Vandalia
Vandalia, Illinois
Vandalia is a city in Fayette County, Illinois, United States, northeast of St. Louis, on the Kaskaskia River. From 1819 to 1839 it served as the state capital of Illinois. Vandalia was the western terminus of the National Road. Today it is the county seat of Fayette County and the home of the...


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|Otego Township
Otego Township, Fayette County, Illinois
Otego Township is one of twenty townships in Fayette County, Illinois, USA. As of the 2000 census, its population was 1,438. Its name changed from Cumberland township on September 24, 1860...


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|St. Elmo
St. Elmo, Illinois
St. Elmo is a city in Fayette County, Illinois, United States. The population was 1,456 at the 2000 census.-Geography:St. Elmo is located at ....


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|Interstate Drive – St. Elmo
St. Elmo, Illinois
St. Elmo is a city in Fayette County, Illinois, United States. The population was 1,456 at the 2000 census.-Geography:St. Elmo is located at ....


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|rowspan=7|Effingham
|Altamont
Altamont, Illinois
Altamont is a city in Effingham County, Illinois, United States. The population was 2,283 at the 2000 census.-Geography:Altamont is located at . According to the United States Census Bureau, the city has a total area of , all of it land.-Demographics:As of the census of 2000, there were 2,283...


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|Summit Township
Summit Township, Effingham County, Illinois
Summit Township is one of fifteen townships in Effingham County, Illinois, USA. As of the 2000 census, its population was 3,431.-Geography:According to the United States Census Bureau, Summit Township covers an area of ; of this, or 2.54 percent is water....


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|West end of concurrency with I-57; I-57 Exit 157
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|rowspan=3|Effingham
Effingham, Illinois
Effingham is a city in Effingham County, Illinois, United States. The population was 12,384 at the 2000 census. It is the county seat of Effingham County....


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|159
|Fayette Avenue – Effingham
Effingham, Illinois
Effingham is a city in Effingham County, Illinois, United States. The population was 12,384 at the 2000 census. It is the county seat of Effingham County....


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|Teutopolis Township
Teutopolis Township, Effingham County, Illinois
Teutopolis Township is one of fifteen townships in Effingham County, Illinois, USA. As of the 2000 census, its population was 2,515. It was formed from Douglas Township.-Geography:...


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|East end of concurrency with I-57; I-57 Exit 163
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|Montrose
Montrose, Illinois
Montrose is a village in Effingham and Cumberland counties in the U.S. state of Illinois. The population was 257 at the 2000 census.The Effingham County portion of Montrose is part of the Effingham Micropolitan Statistical Area, while the small portion that lies in Cumberland County is part of the...


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|105
|Spring Creek Road – Montrose
Montrose, Illinois
Montrose is a village in Effingham and Cumberland counties in the U.S. state of Illinois. The population was 257 at the 2000 census.The Effingham County portion of Montrose is part of the Effingham Micropolitan Statistical Area, while the small portion that lies in Cumberland County is part of the...


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|rowspan=1|Cumberland
|Greenup
Greenup, Illinois
Greenup is a village in Cumberland County, Illinois, United States, along the Embarras River. The population was 1,532 at the 2000 census. It is part of the Charleston–Mattoon Micropolitan Statistical Area....


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|rowspan=5|Clark
|Casey Township
Casey Township, Clark County, Illinois
Casey Township is one of fifteen townships in Clark County, Illinois, USA. As of the 2000 census, its population was 4,176. Casey Township changed its name from Cumberland in September 1876.-Geography:...


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|Martinsville
Martinsville, Illinois
Martinsville is a city in Clark County, Illinois, United States. The population was 1,225 at the 2000 census.-Geography:Martinsville is located at ....


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|136
|Cleone Road – Martinsville
Martinsville, Illinois
Martinsville is a city in Clark County, Illinois, United States. The population was 1,225 at the 2000 census.-Geography:Martinsville is located at ....


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|Marshall Township
Marshall Township, Clark County, Illinois
Marshall Township is one of fifteen townships in Clark County, Illinois, USA. As of the 2000 census, its population was 4,734.-Geography:According to the United States Census Bureau, Marshall Township covers an area of ; of this, or 0.28 percent is water....


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|rowspan=2|Wabash Township
Wabash Township, Clark County, Illinois
Wabash Township is one of fifteen townships in Clark County, Illinois, USA. As of the 2000 census, its population was 2,102.-Geography:According to the United States Census Bureau, Wabash Township covers an area of ; of this, or 0.19 percent is water....


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|West end of concurrency with US 40
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|Eastern terminus of I-70 in Illinois; Indiana
Indiana
Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...

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