| California Highways (www.cahighways.org): Routes 1 through 8 (15146 words) |
 | The route from Edgemar to Skyline Boulevard was originally adopted on November 17, 1952; LRN 55 between Alemany (John Daly) and the Edgemar area was completed in December 1954, and the contract for construction of the Route 1 freeway was awarded on May 3, 1957 to the McCammon, Wunderlich, and Wunderlich Company of Palo Alto. |
| Route 280 near the south boundary of the City and County of San Francisco to Route 101 near the approach to the Golden Gate Bridge in San Francisco. |
| The Route 99/Route 70 co-designation signage that remained as of 2003 were (1) on eastbound Elkhorn Blvd at the onramp to NB Route 99; (2) on Capitol Avenue at 5th Street; and (3) on I Street and 4th Street at the Amtrak station. |
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