State Road 423, known for most of its length as John Young Parkway, and Lee Road east of Orange Blossom Trail, is a four- and six-lane surface road 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 Florida

Florida

Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

. SR 423 is completely inside Orlando, Florida

Orlando, Florida

Orlando is a city in the central region of the U.S. state of Florida. It is the county seat of Orange County, and the center of the Greater Orlando metropolitan area. According to the 2010 US Census, the city had a population of 238,300, making Orlando the 79th largest city in the United States...

 and runs from SR 408 north to U.S. Route 17

U.S. Route 17 in Florida

U.S. Route 17 in Florida is a north–south United States Highway. It runs from the Punta Gorda, Florida Metropolitan Statistical Area northeast to the Greater Jacksonville Metropolitan Area....

/92

U.S. Route 92

U.S. Route 92 is a 177 mile intrastate U.S. Route in the U.S. state of Florida. The western terminus is at Alt US 19, SR 595, and SR 687 in downtown St. Petersburg. The eastern terminus is at SR A1A in Daytona Beach. Most of US 92 is designated unsigned State Road 600.-Route description:US 92...

 just east of Interstate 4

Interstate 4

Interstate 4 is a intrastate Highway located entirely within the state of Florida, United States. It goes from Interstate 275 in Tampa, Florida to Interstate 95 at Daytona Beach, Florida . It also has the Florida Department of Transportation designation of State Road 400, but only a small...

.

SR 423 and its southern components serve as an alternate to the parallel Orange Blossom Trail. The road is named after John Young, an astronaut

Astronaut

An astronaut or cosmonaut is a person trained by a human spaceflight program to command, pilot, or serve as a crew member of a spacecraft....

 from the Orlando area.

Route description

SR 423 begins at an interchange with SR 408 and heads north towards Orange Blossom Trail. It then changes names to Lee Road east of Orange Blossom Trail to its terminus at U.S. Route 17

U.S. Route 17 in Florida

U.S. Route 17 in Florida is a north–south United States Highway. It runs from the Punta Gorda, Florida Metropolitan Statistical Area northeast to the Greater Jacksonville Metropolitan Area....

/92

U.S. Route 92

U.S. Route 92 is a 177 mile intrastate U.S. Route in the U.S. state of Florida. The western terminus is at Alt US 19, SR 595, and SR 687 in downtown St. Petersburg. The eastern terminus is at SR A1A in Daytona Beach. Most of US 92 is designated unsigned State Road 600.-Route description:US 92...

 just east of Interstate 4

Interstate 4

Interstate 4 is a intrastate Highway located entirely within the state of Florida, United States. It goes from Interstate 275 in Tampa, Florida to Interstate 95 at Daytona Beach, Florida . It also has the Florida Department of Transportation designation of State Road 400, but only a small...

.

South of State Road 423's southern terminus, John Young Parkway, known as Orange County Road 423 continues south towards I-4

Interstate 4

Interstate 4 is a intrastate Highway located entirely within the state of Florida, United States. It goes from Interstate 275 in Tampa, Florida to Interstate 95 at Daytona Beach, Florida . It also has the Florida Department of Transportation designation of State Road 400, but only a small...

, the Beachline Expressway and the Southern Connector. South of the Osceola

Osceola County, Florida

Osceola County is a county located in the U.S. state of Florida. As of 2000, the population was 172,493. The U.S. Census Bureau 2006 estimate for the county is 244,045, making it the 17th fastest-growing county in the United States. Its county seat is Kissimmee.- History :Osceola County was...

-Orange

Orange County, Florida

Orange County is a county located in the U.S. state of Florida and is part of the Orlando-Kissimmee-Sanford Metropolitan Statistical Area . As of 2010 U.S. Census, the county had a population of 1,145,956....

 county line, it is signed as Osceola County Road 531A and continues to a diamond intersection with the Osceola Parkway

Osceola Parkway

The Osceola Parkway, signed as County Road 522 since around 2003 , is a long, partially-tolled arterial road extending east-west across the northern boundary of Osceola County, Florida, USA roughly paralleling the border with Orange County...

, ending a bit north of Pleasant Hill Road near Kissimmee

Kissimmee, Florida

Kissimmee is a city in Osceola County, Florida, United States. As of the 2010 census, the population was 59,682. It is the county seat of Osceola County...

, where the name changes to Orange Blossom Trail heading towards Campbell

Campbell, Florida

Campbell is a census-designated place and an unincorporated community in Osceola County, Florida, United States. The population was 2,479 at the 2010 census...

 and to the Osceola

Osceola County, Florida

Osceola County is a county located in the U.S. state of Florida. As of 2000, the population was 172,493. The U.S. Census Bureau 2006 estimate for the county is 244,045, making it the 17th fastest-growing county in the United States. Its county seat is Kissimmee.- History :Osceola County was...

-Polk

Polk County, Florida

Polk County is located in central Florida between the Tampa Bay and Greater Orlando metropolitan areas. The county was established by the state government in 1861 on the eve of the American Civil War and named after former United States president James K. Polk. The county seat is Bartow and its...

 county line. The section from US 192 southward is also numbered US 17-92.

History

The first section of SR 423 was built by the Florida Department of Transportation

Florida Department of Transportation

The Florida Department of Transportation is a decentralized agency charged with the establishment, maintenance, and regulation of public transportation in the state of Florida. The department was formed in 1969. It absorbed the powers of the Florida State Road Department...

 in the early 1970s, from Colonial Drive (SR 50

State Road 50 (Florida)

State Road 50 runs across the center of the U.S. state of Florida through Orlando, with its termini at SR 55 at Weeki Wachee and SR 5 in Titusville....

) west of downtown Orlando north to Orange Blossom Trail (US 441-SR 500

State Road 500 (Florida)

State Road 500 is a major state highway running through Florida as a mostly unsigned route under several US Highways. From Chiefland to Williston it is U.S. Highway 27 Alternate. From Williston to Ocala, it is U.S. Highway 27. From Ocala to Kissimmee, it is U.S. Highway 441. From Kissimmee to...

). Over the years, extensions to the south have been built, some by Orange County

Orange County, Florida

Orange County is a county located in the U.S. state of Florida and is part of the Orlando-Kissimmee-Sanford Metropolitan Statistical Area . As of 2010 U.S. Census, the county had a population of 1,145,956....

 and some by the state.

Future

An additional extension is being built which will bring John Young Parkway northward from Orange Blossom Trail in Orlando to meet the west end of SR 434

State Road 434 (Florida)

State Road 434 is a major roadway in the Central Florida area. Starting at SR 424 just north of Orlando city limits, the road runs north as Forest City Road through Forest City before dropping the name at the Seminole County line...

 and is expected to be "finished in about two years".

Junction list

The entire route is located in Orlando

Orlando, Florida

Orlando is a city in the central region of the U.S. state of Florida. It is the county seat of Orange County, and the center of the Greater Orlando metropolitan area. According to the 2010 US Census, the city had a population of 238,300, making Orlando the 79th largest city in the United States...

, Orange County

Orange County, Florida

Orange County is a county located in the U.S. state of Florida and is part of the Orlando-Kissimmee-Sanford Metropolitan Statistical Area . As of 2010 U.S. Census, the county had a population of 1,145,956....

.

Mile	Destinations	Notes
0.0		Southern terminus, John Young Parkway continues south, Exit 8A (SR 408)
0.7
1.9
2.5
3.9
4.6
6.0		Exit 88 (I-4)
7.4		Northern terminus