Yes.
Public transportation in San Francisco is generally considered safe, with a low crime rate compared to other major cities. However, it is always important to remain vigilant and aware of your surroundings while using public transportation.
San Diego.
Public transport (buses), as well as cabs.
Halfway between the center of San Diego and the center of Coachella Valley in California, as the crow flies, is the Volcan Mountains Wilderness Preserve. There are no direct roads between San Diego and Coachella.
Greyhound bus. Check the Greyhound Web Site at http://www.greyhound.com.
The travel time from Sunnyvale to San Francisco can vary depending on traffic and mode of transportation, but typically it takes about 45 minutes to 1 hour by car and around 1 hour and 15 minutes by public transportation.
Yes, it is called SamTrans.
To visit Tijuana from San Diego, you can drive across the border at the San Ysidro Port of Entry, take a shuttle, or use public transportation like the trolley or bus. Make sure to bring your passport or other approved identification for crossing the border.
I would recommend BART. The South San Francisco BART station is at 1333 Mission Rd, South San Francisco, CA 94080 while BART has stations at Civic Center, Powell & Market, Montgomery & Market, and the Embarcadero.
The address of the San Carlos Public Library is: 89 San Carlos Ave., San Carlos, 85550 0545
San Diego Public Library was created in 1882.
San José Public Library was created in 1872.