California State Route 128

State Route 128 marker
State Route 128
Map of western California with SR 128 highlighted in red
Route information
Maintained by Caltrans
Length120.52 mi[1] (193.96 km)
Major junctions
West end SR 1 near Albion
Major intersections
East end I-505 in Winters
Location
CountryUnited States
StateCalifornia
CountiesMendocino, Sonoma, Napa, Solano, Yolo
Highway system
SR 127 SR 129

State Route 128 (SR 128) is a state highway in the U.S. state of California, connecting the Mendocino coast to the Sacramento Valley, through the state's Wine Country. It runs from State Route 1 near Albion to Interstate 505 in Winters.

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