You searched for: Author Dru Dunton Remove constraint Author: Dru Dunton Subject Roads Remove constraint Subject: Roads Year 2010 Remove constraint Year: 2010
2010. Dru Dunton and 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.