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2011. California. Department of Transportation. Aeronautics Program. This line shapefile represents airport runways in California. These are runways for which the Department of Transportation (Caltrans) HQ Aeronautic... California. Department of Transportation.
2011. California. Department of Transportation. This line shapefile represents traffic bottlenecks, or heavy congestion during peak a.m. and p.m. travel periods, on California's State Highway sys... California. Department of Transportation.
2011. California. Department of Transportation. This line shapefile represents the truck network in California as of 2011. This layer shows sanctioned routes for commercial truck traffic located ... California. Department of Transportation.