Legislative Route 48 (California pre-1964)
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State Route 128 (SR 128) is a
state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the U.S. state of California, connecting the Mendocino coast to the
Sacramento Valley , photo =Sacramento Riverfront.jpg , photo_caption= Sacramento , map_image=Map california central valley.jpg , map_caption= The Central Valley of California , location = California, United States , coordinates = , boundaries = Sierra Nevada (ea ...
, through the state's
Wine Country Wine Country is the region of California, in the northern San Francisco Bay Area, known worldwide as a premier wine-growing region. The region is famed for its wineries, its cuisine, Michelin star restaurants, boutique hotels, luxury resorts, ...
. It runs from
State Route 1 The following highways are numbered 1. For roads numbered A1, see list of A1 roads. For roads numbered B1, see list of B1 roads. For roads numbered M1, see List of M1 roads. For roads numbered N1, see list of N1 roads. For roads numbered S ...
near
Albion Albion is an alternative name for Great Britain. The oldest attestation of the toponym comes from the Greek language. It is sometimes used poetically and generally to refer to the island, but is less common than 'Britain' today. The name for Scot ...
to
Interstate 505 Interstate 505 (I-505) is a north–south auxiliary Interstate Highway in the Sacramento Valley in Northern California. It is a spur auxiliary route of I-5 that runs from near Dunnigan south to I-80 in Vacaville. I-505 is primarily a rura ...
in Winters.


Route description

Route 128 begins at
Route 1 The following highways are numbered 1. For roads numbered A1, see list of A1 roads. For roads numbered B1, see list of B1 roads. For roads numbered M1, see List of M1 roads. For roads numbered N1, see list of N1 roads. For roads numbered ...
near the mouth of the Navarro River at the Pacific Ocean. The highway travels upriver through the coast redwood forests of
Navarro River Redwoods State Park Navarro River Redwoods State Park is a state park in Mendocino County, California, consisting of of second-growth redwood forest in a narrow stretch long on both banks of the Navarro River, from the town of Navarro to the river's confluence w ...
and through the vineyards and apple orchards of the Anderson Valley to Boonville. Route 253 terminates into Route 128 at the south end of Boonville. Leaving Boonville, Route 128 climbs out of the Navarro River watershed and crosses the Yorkville Highlands before descending into the Russian River watershed, arriving at
Cloverdale Cloverdale may refer to: Place names ;Australia *Cloverdale, Western Australia ;Canada *Cloverdale, Edmonton, Alberta, a neighborhood *Cloverdale, Surrey, British Columbia * Cloverdale, New Brunswick * Cloverdale, Nova Scotia *Cloverdale Mall in T ...
in the
Alexander Valley The Alexander Valley (Wappo: Unutsawaholmanoma, "Toyon Bush Berry Place") is a Californian American Viticultural Area (AVA) just north of Healdsburg in Sonoma County. It is home to many wineries and vineyards, as well as the city of Cloverdale. ...
, where the highway joins
U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...
heading south. A few miles later, at
Geyserville Geyserville (formerly Clairville) is an unincorporated community and census-designated place (CDP) in Sonoma County, California, USA. Located in the Wine Country, Geyserville has a small selection of restaurants, bed and breakfasts, and wineries ...
, Route 128 separates from U.S. 101 and crosses
Knights Valley Knights Valley AVA is an American Viticultural Area (AVA) in Sonoma County, California. One of Sonoma County's original five AVAs, Knights Valley AVA was formally designated an American Viticultural Area on October 21, 1983. Knights Valley AVA i ...
on the way to Napa Valley, where it joins Route 29 at Calistoga. After passing through the town of
St. Helena Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three constitu ...
, Route 128 splits from Route 29 at Rutherford and climbs east over dry ridges above Lake Berryessa to the
Sacramento Valley , photo =Sacramento Riverfront.jpg , photo_caption= Sacramento , map_image=Map california central valley.jpg , map_caption= The Central Valley of California , location = California, United States , coordinates = , boundaries = Sierra Nevada (ea ...
. In Winters, the route's constructed portion ends at
Interstate 505 Interstate 505 (I-505) is a north–south auxiliary Interstate Highway in the Sacramento Valley in Northern California. It is a spur auxiliary route of I-5 that runs from near Dunnigan south to I-80 in Vacaville. I-505 is primarily a rura ...
. By its legal definition, the route continues east along Road 93A and Covell Blvd to Route 113 at
Davis Davis may refer to: Places Antarctica * Mount Davis (Antarctica) * Davis Island (Palmer Archipelago) * Davis Valley, Queen Elizabeth Land Canada * Davis, Saskatchewan, an unincorporated community * Davis Strait, between Nunavut and Gre ...
and then Mace Blvd to
Interstate 80 Interstate 80 (I-80) is an east–west transcontinental freeway that crosses the United States from downtown San Francisco, California, to Teaneck, New Jersey, in the New York metropolitan area. The highway was designated in 1956 as one o ...
, but this segment is currently not constructed. The section of Route 128 through Navarro River Redwoods State Park is often closed in winter storms due to flooding. Two slower alternate routes are available: the Philo-Greenwood road connects Route 1 near
Elk The elk (''Cervus canadensis''), also known as the wapiti, is one of the largest species within the deer family, Cervidae, and one of the largest terrestrial mammals in its native range of North America and Central and East Asia. The common ...
to Route 128 near Hendy Woods State Park, a few miles north of Philo; another alternate route is the Comptche-Ukiah Road, which intersects Route 1 just south of the town of Mendocino and runs inland to Comptche, and departs Comptche on Flynn Creek Road, intersecting Route 128 just up river from the seasonal flood gate closing the highway. SR 128 is part of the
California Freeway and Expressway System The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both State highways and federal highways in California. It is defined by Article 2 (commenci ...
, although it is mostly 2 lanes, but except for a small portion in Winters is not part of the National Highway System, a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway Administration.


History

The main road through the Anderson Valley to the mouth of the Navarro River, and from there up the coast to
Fort Bragg Fort Bragg is a military installation of the United States Army in North Carolina, and is one of the largest military installations in the world by population, with around 54,000 military personnel. The military reservation is located within Cum ...
, was originally called the Navarro Highway; it follows the approximate route of the present Route 128 and Route 1 through Mendocino County. Even earlier, the road followed the Navarro Ridge, to the north of the present alignment, instead of staying at the river level. By 1938, the last stretches of old winding roadway near the present location of Navarro were replaced by a straighter alignment, taken over from a disused logging railway line. Before being numbered as California State Route 128, the highway was signed as State Route 28. In 1952 it was renumbered State Route 128, permitting a different highway around
Lake Tahoe Lake Tahoe (; was, Dáʔaw, meaning "the lake") is a Fresh water, freshwater lake in the Sierra Nevada (U.S.), Sierra Nevada of the United States. Lying at , it straddles the state line between California and Nevada, west of Carson City, Nevad ...
to be numbered as Route 28 to coordinate its numbering with Nevada Route 28.;


Major intersections


See also

*


References


External links

{{commonscat
California @ AARoads - State Route 128Caltrans: Route 128 highway conditions
128 128 may refer to *128 (number), a natural number *AD 128, a year in the 2nd century AD *128 BC, a year in the 2nd century BC *128 (New Jersey bus) See also * List of highways numbered A ''list'' is any set of items in a row. List or lists may al ...
State Route 128 State Route 128 State Route 128 State Route 128 State Route 128 Mayacamas Mountains Napa Valley Vaca Mountains Winters, California Wineries in Napa Valley