This line shapefile represents passenger railway lines in the San Francisco Bay Area of California. This layer includes 2014 data from Amtrack, San Francisco Municipal Transportation Agency (MUNI), Bay Area Rapid Transit (BART), Caltrain, Altamont Communter Rail ,and the Santa Clara Valley Transportation Authority (VTA). This layer is part of the Bay Area Metropolitan Transportation Commission (MTC) GIS Maps and Data collection.This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data.