| State Route 9 | ||||
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| Length: | 38.497 mi (61.955 km) | |||
| Existed: | 1934 – present | |||
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State Route 9 (SR 9) is a mainly rural and mountainous route in the U.S. state of California that travels 35 miles (56 km) from SR 1 near Santa Cruz to SR 17 in Los Gatos, passing through the San Lorenzo Valley and the Saratoga Gap. Daily traffic is between 3,200 and 34,500 cars.
SR 9 between the Los Gatos town limit and the intersection with SR 35 is part of the Scenic Highway System.
SR 9 begins in the city of Santa Cruz where River Street intersects with SR 1. It heads north, paralleling the San Lorenzo River. The road is a winding two lane road for the majority of its length until it approaches Fruitvale Avenue in Saratoga. SR 9 winds through the mountains north of Santa Cruz, passing through the communities of Felton, Ben Lomond, Brookdale, and Boulder Creek, where State Route 236 departs from SR 9 to provide access to Big Basin Redwoods State Park. SR 236 later rejoins SR 9 near Castle Rock State Park.