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1. Traffic Bottlenecks, California, 2011

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.

2. Truck Networks, California, 2011

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.