![]() SR 45 highlighted in red | ||||
Route information | ||||
Maintained by Caltrans | ||||
Length | 70 mi[1] (110 km) | |||
Existed | 1934–present | |||
Major junctions | ||||
South end | ![]() | |||
North end | ![]() | |||
Location | ||||
Country | United States | |||
State | California | |||
Counties | Yolo, Colusa, Glenn | |||
Highway system | ||||
|
State Route 45 (SR 45) is a state highway in the U.S. State of California that travels in a north–south direction in the Sacramento Valley from Route 113 in Knights Landing to Route 32 in Hamilton City.