Bay Area (California)
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The Bay Area (more fully, the San Francisco Bay Area), ringing the San Francisco Bay in northern California, is a geographically diverse and extensive metropolitan region that is home to nearly 8 million inhabitants in cities such as San Francisco, Oakland, Berkeley and San Jose. Once a focus of Spanish missions and Gold Rush prospectors, the Bay Area is best known now for its lifestyle, liberal politics and high-tech industry (Silicon Valley).
Although it doesn't have any firm boundaries, the Bay Area includes portions of nine counties: Marin, Sonoma, Napa, Solano, San Francisco, San Mateo, Contra Costa, Alameda, and Santa Clara. San Mateo and the northern part of Santa Clara counties comprise the Peninsula while Contra Costa and Alameda counties comprise the East Bay of the Bay Area. The southern parts of Sonoma and Napa counties are considered part of the Bay Area for this guide, since their culture and economies face towards the Bay. To the East and South, whether outlying towns such as Gilroy and Santa Cruz are part of the Bay Area or the Central Valley/Central Coast respectively will depend on who you ask.
A small region of its own, the Bay Area still has distinct areas with their own attractions and cultures. The sub-regions of the Bay Area are described several ways, which may give the first time visitor the impression that the Bay Area is bigger than it really is. In fact, the unique geography of the Bay Area makes it relatively easy to get a sense of where you are.
Here's a handy rule of thumb: the telephone area codes 415 and 650 means the Marin and San Francisco Peninsula or the West Bay, 510 and 925 is for the East Bay, 707 for the North Bay or Wine Country and 408 and 669 are for the South Bay or the Santa Clara Valley.
Note that the boundary between Peninsula and South Bay is not formal; some locals, and some other sites/guides may place some of the northern Santa Clara County cities categorized here as "Peninsula" as South Bay - for example, the local Craigslist does so for Mountain View.
There are scores of cities that surround the Bay; these are some of the most famous.
Temperate in summer and mild in the winter, the Bay Area is an excellent place to visit year-round. The weather in the Bay Area is affected by microclimates, so certain parts of East Bay can be up to 15 degrees warmer than downtown San Francisco, and as much as 20 degrees warmer than the area around the Golden Gate bridge. Generally the closer to the ocean one goes the cooler it is, it is suggested that one keep that in mind when traveling around the area.
There are three major airports in the San Francisco Bay Area: San Francisco International (IATA: SFO, located about 10 miles south of the city) is the largest, a major international airport with numerous passenger amenities; Oakland International (IATA: OAK), in the East Bay) is smaller and serves destinations in the U.S. and Mexico; and Mineta San Jose International (IATA: SJC), in Silicon Valley) serves the U.S. and only a few international flights to Mexico. All are served by discount airlines such as Southwest, though OAK and SJC tend to have more low-cost flights than SFO. All three airports may be reached by inexpensive public transit (SFO and OAK are both served by the regional BART system, though OAK requires a separate shuttle bus ride), though SJC is the most inconvenient to San Francisco (SJC is served by San Jose's VTA Light Rail and the regional Caltrain line). Private pilots should consider Oakland (ICAO: KOAK) rather than SFO, as the separate general aviation field there is more accommodating to light aircraft.
Amtrak, +1 800 872-7245,  serves the Bay Area with long-distance and intercity trains. Two long distance trains, the California Zephyr  to Chicago and the Coast Starlight  between Seattle and Los Angeles, serve the Bay Area with stations in Martinez and Emeryville, with the Coast Starlight also stopping at Oakland's Jack London Square Station and San Jose. From Emeryville, passengers may take an Amtrak California  Thruway bus over the Bay Bridge to San Francisco's Amtrak stop at 101 The Embarcadero (near the Ferry Building) and usually several other downtown destinations (note that Amtrak passengers are not subjected to any extra charge for the bus).
Two shorter distance Amtrak routes also serve the Bay Area: The Capitol Corridor  runs 16 times daily (11 on weekends and holidays) between Sacramento and Emeryville, with some trains also serving San Jose, with connections to Caltrain in San Jose, Amtrak bus at Emeryville, and BART at Richmond or the Oakland Coliseum station. Additionally, the San Joaquins  runs 4 times daily between Bakersfield, Stockton and Emeryville. Travelers on the San Joaquins can connect to Amtrak bus at Emeryville or the BART at the Richmond station. For both trains, discount BART tickets can be purchased in the cafe car.
From the east, the entrance to the Bay Area is superhighway Interstate 80, which wends its way all the way from New York several thousand miles to pass through Lake Tahoe and Sacramento and end up in San Francisco.
From the south, the lovely Highway 101 runs from Southern California through the Central Coast to Silicon Valley and up the Peninsula to San Francisco. Some people prefer Highway 5, which travels more directly through the San Joaquin Valley to highway 580 and then into the Bay Area through the East Bay.
From the North Coast or the Pacific Northwest, the story is similar. Coastal highway 101 is more scenic, while highway 5 is efficient but somewhat boring. Interstate 5 intersects interstate 80 in Sacramento, however, when coming from the north, Interstate 505 can be used to bypass Sacramento and get to the Bay Area quicker.
Parking rates in San Francisco can go up to around $30. You can park at BART parking lots: For example: Park in Colma parking garage $2 all day, free weekends and round trip BART from Colma to Moscone Center would cost $6.50 for one person, so two people could park and train for $15 as opposed to $25 for all day parking at the center.
The Bay Area is well served by a network of freeways. Highways 280 and 101 run up the Peninsula from the Silicon Valley to San Francisco, and 101 continues into Marin County across the Golden Gate Bridge. Highways 880 (also called the Nimitz Freeway) and 580 run the length of the East Bay, and Highway 24 runs out to Contra Costa County. All major freeways, particularly those going through San Francisco and Oakland, suffer from severe congestion at commute times. Interstate 280 and the South Bay freeways and expressways tend to be less congested than the Peninsula and East Bay freeways.
For a slower but vastly more scenic route, the Pacific Coast Highway (also known as PCH and Highway 1) runs along the coast. In many places this route may not be appropriate for those prone to car sickness or fear of heights, but for all others it provides an unforgettable vista over the Pacific Coast.
Note that many Bay Area freeways tend to have dense traffic at any time of day or the evening, any day of the week (even Sundays), and you will be lucky if traffic is actually moving at the speed limit (rather than far below it). This is particularly true of the Eastshore Freeway in Berkeley and the James Lick Skyway in San Francisco. Other freeways, such as Interstate 280 on the Peninsula, are congested only during rush hours on weekdays and are relatively easy to drive at all other times. You can get traffic reports 24 hours a day from several radio stations, most notably KCBS (740 AM and 106.9 FM) which has traffic and weather reports every ten minutes on the eights (:08, :18, :28, :38, :48, and :58).
There is a proportion of "hurried" drivers that will zig-zag between cars at high speeds. In the North Bay, there are fast succession of freeway interchanges; a misunderstanding may land you on the wrong freeway, even on a bridge you do not intend to take. Interchanges are signposted with road numbers and compass directions, but even these may be confusing: the same stretch of road may carry several numbers and opposite compass directions between these numbers. Read a map carefully before driving or have a passenger watch for directions.
Note that since tolls are charged only one-way on the toll bridges, you should plan road trips to minimize the number of times you traverse bridges in the toll direction.
Bay Area Rapid Transit (BART ) is an extensive regional metro system that connects San Francisco to the East Bay and Contra Costa County, as well as parts of the Peninsula, the eastern half of Silicon Valley, and the San Francisco and Oakland airports. BART is also useful for getting around within SF and Oakland. Ticket prices vary by distance traveled, but usually run about $2-5 one way and tickets can be purchased from vending machines at any station. You will need to insert your ticket into barriers when entering and exiting the system. Tickets hold a balance, deducting the appropriate price for each trip, so someone who plans to use the system several times can buy a $10 or $20 ticket and not worry about fares until the card is used up. Note that the BART vending machines accept any credit card only twice within any 24 hour period. Trains run about every 10-20 minutes starting around 6AM and closing just after midnight.
Caltrain  is a commuter train system running along the Peninsula between San Francisco, San Jose and Gilroy. Ticket prices vary by the distance between stations, but usually run around $3-$6 one way. Trains run about once every half hour, on average, once an hour late evenings and weekends, with several more trains running during commute hours. This train service is not particularly fast; however, in a move to improve speed, many trains during commute hours run express or semi-express service, so they do not stop at all stations. Tickets must be purchased before boarding the train from ticket vending machines at any of the stations or from ticket clerks at staffed stations. Tickets are checked on the trains and anyone found without a ticket is liable to a substantial fine. Cyclists should use the designated car at the northern end of the train, and be aware that bike space is often limited during commute hours.
A full list of Bay Area public transportation agencies, as well as a refreshingly useful trip planner, can be found at the Metropolitan Transportation Commissions's web site 511.org .
Passenger ferries link many of the cities in the Bay Area (particularly the North Bay), and can be a very scenic way to get around, with splendid views of the San Francisco skyline, Alcatraz, and much of the lush hillside scenery. In San Francisco, the ferries dock at one or both of the city's two piers at Fisherman's Wharf and the Ferry Building, the later of which is a very short walk from extensive BART and Muni services. In Oakland, the ferry terminal is at the foot of Clay Street in Jack London Square. There are five operators of ferry services in the Bay Area:
The San Francisco Bay Area has a broad array of cuisines from various countries of Africa, Asia, the Americas, and Europe. While San Francisco probably has the widest variety of any of the Bay Area cities, locals will often tell you to go outside of San Francisco for the best of some cuisines, such as Fremont for Afghan or Indian or Pakistani, or Burlingame for Jewish. The area has also developed its own array of localized Chinese cuisines; this started in San Francisco and has expanded throughout the Bay Area in recent years.
With a few notable exceptions, parts of the Bay Area of interest to tourists are as safe as any other major North American city. However, care should be taken in a few areas, when going "off the beaten path" or when traveling through unfamiliar residential areas. While locals (and those from elsewhere in California) will generally be able to recognize poorer or high crime areas even when unfamiliar with the specific area, the signs of dangerous areas and slums are not always the same as in other American cities, let alone those abroad.
Certain parts of the Bay Area are plagued by high crime rates. The very worst areas are primarily residential/industrial and not much interest to tourists or travelers - these include the Southeastern section of San Francisco (Bayview-Hunter's Point, Sunnydale, Visitation Valley), East Palo Alto, West Oakland and much of East Oakland, Hayward, San Leandro, Bay Point, San Pablo, and Central Richmond.
However, other high-crime parts of the Bay Area are either in tourist areas or directly adjacent to them. These are generally safe if you stick to high-traffic commercial/through streets even at night, but care should be taken if you park on or detour through side streets, especially at night. These areas include
Even outside of "dangerous" areas, within the major cities (San Francisco, San Jose, Oakland and other developed parts of the East Bay) keep aware of your surroundings and utilize the same common sense as in any major urban area.
Certain heavily-latino neighborhoods, including the Mission District in San Francisco and many poorer parts of San Jose (such as Alum Rock) and the East Bay have a high degree of gang violence. While this will not be such an issue in major shopping centers or on busy commercial streets, especially if venturing outside these areas especially into residential or industrial areas, men should be careful to avoid wearing red or blue shirts as these are associated with Norteno and Sureno gang members.
There are also many rough neighborhoods in many of the poorer suburbs throughout the Bay Area: these include but are not limited to the cities of San Pablo, Pittsburg, Antioch, El Sobrante, Vallejo, Fairfield, and Santa Rosa. If in doubt, ask a local if the area is safe.
Be careful to check for ticks  after hiking in fields in the Bay Area. There is a high rate of lyme disease transmission in the Bay Area. If a bulls' eye rash develops at the tick bite site, immediately seek medical help and treatment with antibiotics.