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Author
Dru Dunton
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Format
Shapefile
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Subject
Roads
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Place
California
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1. Traffic Bottlenecks, California, 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.