Two things about excursion fares: 1. The MUNI "A" Fast Pass doesn't charge excursion fares inside SF. If you commute regularly in SF, the Type A Fast Pass is a

Two things about excursion fares: 1. The MUNI "A" Fast Pass doesn't charge excursion fares inside SF. If you commute regularly in SF, the Type A Fast Pass is a great option, especially if you can get a subsidy from work. 2. Otherwise, a Bart attendant can scan your ticket, see that you recently entered and let you out for free, and fix your account so you can get back in without hassle.