California State Route 29

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State Route 29

(CS&HC Section 329)

Length:

106 mi^[1] (171 km)

Major
junctions:

SR-20

LAK 52.54

SR-175

LAK 40.14

LAK 31.05

LAK 27.89

LAK 20.31

LAK 5.81

NAP 36.89

NAP 24.60

SR-121

NAP 10.31

NAP 8.66

SR-12

NAP 8.66

NAP 4.71

SR-221

NAP 6.20

SR-37

SOL 4.71

SR-141

SOL 2.07

I-80

SOL 0.00

Major cities:

Lakeport
Napa
Vallejo

California State Routes
< SR 28		SR 30 >
Unconstructed - Deleted - Freeway - Scenic

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.

It starts as a two-lane highway until Lakeport and becomes a freeway as it bypasses the city. South of the city, it reverts back to a highway, going around Clear Lake, the largest natural freshwater lake completely within California, passing through Kelseyville, Lower Lake, and Middletown. It then climbs Mount St. Helena, an extinct volcano, at the border between Lake County and Napa County. Through Napa Valley, the highway passes through Calistoga, St. Helena, Rutherford, Oakville, Yountville and Napa, California as well as many of the region's notable vineyards and wineries.

Route 29 in Vallejo

At the city of Napa the road briefly becomes a freeway again and returns to a four-lane highway (at some parts five) the remainder of the route, terminating at I-80 near the Al Zampa Bridge in Vallejo.

Historically, the route between Middletown and the Napa Valley was served by the Old Bull Trail Road, built by volunteers in the 1850s that had grades up to 35 percent. That was replaced by the St. Helena Toll Road in 1868, which had more manageable inclines of up to 12 percent. The State of California purchased the toll road in 1925.

1 Points of interest
2 Legal definition
3 Other names
4 References
5 External links

[edit] Points of interest

Lower Lake Stone Jail (California Historical Landmark #429) is just south of the intersection of State Route 53 in Lower Lake.
CHL #450, the Stone House, is at the corner of Hidden Valley Rd., north of Middletown.
The marker for CHL #467, St. Helena Toll Road and Bull Trail, can be found at the intersection of Hill Ave in Middletown (postmile LAK 5.5).

[edit] Legal definition

Legal Definition of Route 29: California Streets and Highways Code, Chapter 2, Article 3, Section 329

Route 29 is part of the Freeway and Expressway System, as stated by section 253.3 of the California State Highway Code.

Route 29 is part of the Scenic Highway System, as stated by section 263.3 of the California State Highway Code.

[edit] Other names

Earle W. Wreiden Memorial Highway: In Lake County; from the Napa County line to State Highway Route 175.^[2]
Sonoma Blvd.: In Vallejo; from the Napa County line to Interstate 80.