SMART train service was free of charge during the preview service period and the opening day of full service . After opening day , SMART fares were half price through Labor Day , September 4 . Regular fares were charged beginning on September 5 . The October 2017 Northern California wildfires prompted the agency to provide free limited service for evacuees
October 2017 Northern California wildfires
October 2017 Northern California wildfires
Sonoma–Marin Area Rail Transit