in the U.S. state of California are entirely or partially unconstructed; in other words, their routings have been defined by state law, but no route has
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
880 U.S. Route101 State Route 9 State Route 17 State Route 25 State Route 35 State Route 82 State Route 85 State Route 87 State Route 130 State Route 152
highways in the U.S. state of California that have existed since the 1964 renumbering. It includes routes that were defined by the California State Legislature
Pleasanton and Concord. Built in the 1920s as SR 21 and designated in 1955, I-680 begins at a junction with I-280 and USRoute101 (US101/Bayshore Freeway) and