Route diagram showing the proposed routing for the Downtown Extension (DTX) project for the electrified Caltrain/HSR tracks in San Francisco. Plans to extend train service to downtown San Francisco/Market Street have been floated for many years, but construction has not yet begun (as of early 2017). Vector overlay on OpenStreetMap raster; shows route of light rail/subway (Muni), subway (BART), streetcar (Muni E/F lines) and passenger rail (Caltrain).
Own work
Mliu92