The California DOT (CALTRANS) "Standard Plans" roadway design files on this
page are in DXF and DGN formats. These files
have been compressed (zipped) to facilitate faster download times from the site.
For questions regarding the 2004 CALTRANS Standard Plans, contact Grace Tsushima at the following:
For questions regarding this WEB site, contact My Nguyen at the following:
GENERAL ROAD WORK (Erosion Control)