https://www.cbs8.com/video/news/local/study-california-highways-rank-second-worst-nationwide/509-4edddeff-934b-44d2-89c6-ac67379bfe2d
Study: California highways rank second worst nationwide | cbs8.com
A new national study ranked California near the bottom when it comes to the cost and quality of the highway systems across the U.S.
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https://cahighways.org/
California Highways: Everything You Ever Wanted To Know About Numbered Highways in California
Information on County Highways,State Routes, US Highways, and Interstate Highways in California
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