California State Route 221
Encyclopedia
State Route 221 is a state highway
State highway
State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in Napa County
Napa County, California
Napa County is a county located north of the San Francisco Bay Area in the U.S. state of California. It is coterminous with the Napa, California, Metropolitan Statistical Area. As of 2010 the population is 136,484. The county seat is Napa....

 of 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 California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

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Route description

It is a divided four-lane expressway that serves as an alternate to the nearby Route 29
California State Route 29
State Route 29 is a state highway in the U.S. state of California that travels in a north–south direction from State Route 20 in Upper Lake to Interstate 80 in Vallejo.-Route description:...

 freeway into Napa
Napa, California
-History:The name Napa was probably derived from the name given to a southern Nappan village whose people shared the area with elk, deer, grizzlies and cougars for many centuries, according to Napa historian Kami Santiago. At the time of the first recorded exploration into Napa Valley in 1823, the...

 from the south. Route 221 is the northern part of the Napa-Vallejo Highway. It is only signed as a number on a junction sign at the intersection with Route 29. The southern terminus is with Route 29 (which also carries Route 12), where it continues as the Napa-Vallejo highway, and the northern terminus is with Route 121
California State Route 121
State Route 121 is a California state highway in the Wine Country that runs northerly from its junction with State Route 37 at Sears Point, past the Tolay Lake basin and across Tolay Creek near Infineon Raceway, veers east at a junction with State Route 116 and Bonneau Road at Schellville, runs...

. Route 221 also provides access to Napa Valley College
Napa Valley College
Napa Valley College, formerly known as Napa Community College, is one of California's community colleges, located in Napa Valley. The main campus is in Napa, California, with an Upper Valley Campus in St. Helena and a Small Business Development Center in downtown Napa. In 2004-2005, the total...

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Major intersections

Note: Except where prefixed with a letter, postmiles were measured in 1964, based on the alignment as it existed at that time, and do not necessarily reflect current mileage.

The entire route is in Napa County
Napa County, California
Napa County is a county located north of the San Francisco Bay Area in the U.S. state of California. It is coterminous with the Napa, California, Metropolitan Statistical Area. As of 2010 the population is 136,484. The county seat is Napa....

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{| class=wikitable
!Location
!Postmile

!Destinations
!Notes
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|0.00
|Soscol Ferry Road
|Continuation beyond SR 12 / SR 29
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|0.00
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|-
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|Kaiser Road
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|-
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|Napa Valley Corporate Way, Anderson Road
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|-
|rowspan=2|Napa
Napa, California
-History:The name Napa was probably derived from the name given to a southern Nappan village whose people shared the area with elk, deer, grizzlies and cougars for many centuries, according to Napa historian Kami Santiago. At the time of the first recorded exploration into Napa Valley in 1823, the...


|
|Streblow Drive – Napa Valley College
Napa Valley College
Napa Valley College, formerly known as Napa Community College, is one of California's community colleges, located in Napa Valley. The main campus is in Napa, California, with an Upper Valley Campus in St. Helena and a Small Business Development Center in downtown Napa. In 2004-2005, the total...


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|-
|2.68
|
|
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