2004. DTIS. Bay Area Bridges. Includes San Francisco-Oakland Bay Bridge, Golden Gate Bridge, Third Street Bridge. San Francisco (Calif.). Department Of Telecommunications and Information Services.
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2. Speed Limits
2004. DPT. Speed limit column was added to a 1998 street centerline shapefile. Speed limits are indicated primarily for streets that have speeds higher than ... San Francisco (Calif.). Department Of Telecommunications and Information Services.