Regional Transportation Planning Agencies

The list of California Transportation Planning Agencies is current as of February, 2014, provided by Division of Transportation Planning, Office of Regional and Interagency Planning. With the exception of Tahoe Regional Planning Agency (TRPA*), all of the RTPA boundaries follow county boundaries, some RTPA are multi-county. Data downloaded in December 2022 from https://gisdata-caltrans.opendata.arcgis.com/datasets/eade3fe45fa046418063d47846dd4c21_0/about.