It's totally safe. If you want to minimize time spent outside the turnstyles (where problems are more likely to lurk), purchase a BART ticket with sufficient funds to travel to the airport earlier in the day. Then, just go straight through the turn-styles.
Be aware of surroundings and avoid looking distracted, especially while standing near stairs, escalators, and train doors and anywhere suspects can make a quick exit. Don't sleep on board train cars. The Train Operator is in the first train car; it's a great place to sit if you are traveling alone.
The safest BART stations were Pittsburg and West Dublin, which had no reported thefts in 2019, Millbrae, with one, and North Concord and South San Francisco, which each had two. BART police made arrests in 67 of the robbery and theft cases involving electronics last year.
It's totally safe. If you want to minimize time spent outside the turnstyles (where problems are more likely to lurk), purchase a BART ticket with sufficient funds to travel to the airport earlier in the day.
BART actually has a big machine that grinds down the bumps on corrugated track, eliminating some of the noise. This explains why sometimes a portion of the BART system makes loud uuunnnhhh sounds one day and doesn't make a peep the next. You aren't crazy -- they just smoothed out the track at night.
BART makes it extremely easy to get a ticket from the San Francisco airport to downtown San Francisco. All you need to do is use one of the ticket vending machines to buy a one-way ticket for each passenger, which costs about $10.15 per person for a one-way ticket and $20.30 for a round trip.
In celebration of BART's upcoming 50th anniversary on September 11, BART is offering a 50% discount for the entire month of September 2022. The reduced fare will be automatically deducted when using Clipper at the fare gates.
Mask requirement ended 10/2/22; Masks now strongly recommended. As of October 2, 2022, masks are strongly recommended. Wearing a well fitted masks over your mouth and nose is encouraged. Masks are no longer mandatory.
Like most trains, BART wheels are tied together with rigid axels and no differentials. This means the wheels always rotate at the same speed, even around corners. Because the inner radius is smaller, there is less distance to travel, which can cause a slippage between the wheels and track, which is noisy.