California State Route 35
|Defined by S&HC § 335|
|Maintained by Caltrans|
|Length:||54.056 mi (86.995 km)
The length of SR 35 is broken into pieces and do not reflect overlaps.
|South end:||SR 17 near Redwood Estates|
| SR 84 in Woodside
SR 92 near San Mateo
SR 1 in Daly City
|North end:||SR 1 in San Francisco|
State Route 35 (SR 35) in the U.S. state of California, generally known as Skyline Boulevard, is a two-lane road running mostly along the ridge of the Santa Cruz Mountains from Highway 17 in Santa Clara County to San Francisco at State Route 1. Because of its high elevation and location, it is one of the few places on the southern portion of the San Francisco Peninsula from which the San Francisco Bay and the Pacific Ocean are both visible at the same time. It also provides scenic views of the Silicon Valley Metropolitan Area. A notable feature of Skyline Boulevard is historic Kings Mountain in Woodside. Skyline Blvd. offers views of Half Moon Bay along the Pacific Coast as it summits Kings Mountain.
It was originally designated State Route 5, but this was changed with the creation of Interstate 5 in 1964, to avoid confusion.
Route description 
This route is part of the California Freeway and Expressway System and is eligible for the State Scenic Highway System. However, only the portion from the Santa Cruz-Santa Clara County line to the SR 92 junction is actually a state highway.
The highway begins at the junction of Summit Road and State Route 17. It follows Summit Road up until Bear Creek Road, which bears Route 35 for a few miles until Skyline Boulevard is reached. It bears the name Skyline Boulevard for a majority of its route along the ridge of the Santa Cruz Mountains to the west of Silicon Valley, passing cities such as San Jose, Saratoga, and Palo Alto. The road reaches its highest elevation near Sanborn Skyline County Park at about 3,000 ft (914 m). The ridge that the road follows forms the border between Santa Cruz and Santa Clara counties. However, the boundary is so irregular that the road weaves in and out of the two counties.
The ridgetop portion of the route ends at the junction with State Route 92, because this northern area of the Santa Cruz Mountains is a protected watershed owned by the San Francisco Water Department. Highway 35 is co-routed with SR 92 for 2 miles (3 km) east, descending towards Crystal Springs Reservoir, which it crosses on a causeway, and then joins Interstate 280 northbound for 6 miles (10 km). However, on the southbound side, Route 35 exists as a separate road to the west of the freeway between Bunker Hill Dr. and Route 92, as there is no connector road between 280 South and 92 West.
It crosses State Route 1 in Daly City and in San Francisco, Skyline Boulevard ends and the highway briefly continues along Sloat Boulevard until it reaches its terminus when it intersects Highway 1 again at 19th Avenue.
Recreational use 
Because of its scenic views and winding roadway, Skyline Boulevard and surrounding roads see substantial recreational motoring and bicycling use. Many sports cars and motorcycles can be found congregating near the intersections with State Route 9 and State Route 84, particularly on weekends. Mountain bikers are also commonly found at the many trailheads along the road.
Several public open spaces border on Skyline Boulevard, including Sanborn County Park, Windy Hill, and the Purisima Open Space; both the latter are parts of the Midpeninsula Regional Open Space District. Numerous hiking trails originate from parking lots off Skyline in these open spaces.
Whenever there is snow on the road's higher elevations, many people take their families up to see and play in the snow, and therefore, many of the parking lots at regional parks are packed with cars.
Other landmarks 
For most of the route, State Route 35 offers vistas of both Silicon Valley's skyline, and also the Pacific Ocean. One such vista point, Skeggs Point, is between Kings Mountain and SR84. The route passes through many of the wildlife refuges along the ridge of Silicon Valley and other parks:
- Sanborn-Skyline County Park
- Castle Rock State Park
- Saratoga Gap Open Space Preserve
- Windy Hill Open Space Preserve
- Wunderlich County Park
- El Corte de Madera Creek Open Space Preserve
- Huddart County Park
- Purisima Creek Redwoods Open Space Preserve
As old highway maps show, State Route 35 was originally designated State Route 5. The number was changed in the 1964 renumbering. The original state route 35 was located in southern California and ran north to south from State Route 22 to U.S. 99, first along Los Alamitos Blvd. going north which turns into Norwalk Blvd. The highway continued west on Centralia Road and then north along Pioneer Blvd. until hitting San Antonio drive at Rosecrans Ave. San Antonio Dr. would turn back into Norwalk blvd. and Route 35 would continue turning into Old Mill Road at Beverly Blvd. Route 35 would wind through Rose Hills and Avocado Heights and would then turn into Puente Ave. at Valley Blvd. and continue to Route 99 where Route 35 ended at the border of Baldwin Park and West Covina.
Major intersections 
Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, and do not necessarily reflect current mileage. R reflects a realignment in the route since then. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.
|R0.05||Summit Road||Continuation beyond SR 17|
|R0.05||SR 17 – San Jose, Santa Cruz||Interchange|
|2.87||Bear Creek Road|
|Saratoga Gap||14.10||SR 9 – Big Basin, Boulder Creek, Santa Cruz, Saratoga|
||3.21||Alpine Road, Page Mill Road|
|Woodside||10.52||SR 84 (La Honda Road) – Woodside, La Honda|
|16.22||Kings Mountain Road, Tunitas Creek Road|
|SR 92 west – Half Moon Bay, Santa Cruz||South end of SR 92 overlap|
|SR 92 east to I-280 – Belmont, San Mateo, San Francisco, San Jose||North end of SR 92 overlap|
|I-280 south (Junipero Serra Freeway) / Skyline Boulevard, Bunker Hill Drive – San Jose||Interchange; south end of I-280 overlap|
|South end of freeway on I-280|
|Hillsborough||R14.22[N 2]||36||Black Mountain Road, Hayne Road|
|R17.16[N 2]||39||Trousdale Drive – Burlingame|
|Millbrae||R17.92[N 2]||40||Millbrae Avenue||Northbound exit and southbound entrance|
|R18.52[N 2]||41||Larkspur Drive, Millbrae Avenue||Southbound exit and northbound entrance|
|North end of freeway on I-280|
|San Bruno||R19.28[N 2]
|I-280 north (Junipero Serra Freeway) – San Francisco||Interchange; north end of I-280 overlap; northbound exit and southbound entrance|
|24.35||San Bruno Avenue|
|San Bruno–Pacifica line||26.23||Westborough Boulevard, Sharp Park Road – Pacifica|
|Pacifica–Daly City line||28.27||Hickey Boulevard|
|South end of freeway|
|Daly City||R28.69||54||SR 1 to I-280 – San Jose, San Francisco, Pacifica, Santa Cruz||Signed as exits 54A (north) and 54B (south)|
|North end of freeway|
|30.83||John Daly Boulevard – Westlake District|
|Great Highway – Beach|
|3.16||SR 1 (19th Avenue) – San Mateo, Golden Gate Park|
|3.16||Sloat Boulevard – San Francisco Civic Center||Continuation beyond SR 1|
- This route is broken into pieces, and the length does not reflect the overlaps that would be required to make the route continuous.
- California Department of Transportation, State Truck Route List (XLS file), accessed February 2008
- CA Codes (shc:250-257)
- CA Codes (shc:260-284)
- "Officially Designated State Scenic Highways and Historic Parkways". California Department of Transportation. December 7, 2007. Retrieved June 22, 2011.
- National Atlas of the United States, Hydrologic Units (Watersheds) GIS data
- California Department of Transportation, Log of Bridges on State Highways, July 2007
- California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
- California Department of Transportation, California Numbered Exit Uniform System, State Route 35 Freeway Interchanges, Retrieved on 2009-02-05.
- California Department of Transportation, California Numbered Exit Uniform System, I-280 Northbound and I-280 Southbound, Retrieved on 2009-02-05.
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