Vote to expand San Francisco's Slow Streets Program delayed San Francisco delays vote on expanding Slow Streets Program The San Francisco Municipal Transportation Agency Board agreed to delay voting on an expansion to its Slow Streets Program for two weeks. Supporters of the program were frustrated at the delay, and say the slow streets under consideration are already in under-served communities. SAN FRANCISCO - The San Francisco Municipal Transportation Agency (SFMTA) Board agreed to delay voting on an expansion to its Slow Streets Program for two weeks. Supporters of the program were frustrated at the delay and say the slow streets under consideration are already in under-served communities.