State highway in Santa Cruz and Santa Clara counties in California, United States
"Santa Cruz Highway" redirects here. For the highway on Santa Cruz Island in the Galápagos, see
Ecuador Highway 5.
State Route 17 (SR 17, locally known as Highway 17) is a state highway in the U.S. state of California that runs from State Route 1 in Santa Cruz to I-280 and I-880 in San Jose. SR 17, a freeway and expressway, carries substantial commuter and vacation traffic through the Santa Cruz Mountains at Patchen Pass ("The Summit") between Santa Cruz and the San Francisco Bay Area.