Rugged Mountain Springs Grade history documented in 1964

As Interstate 8 was built across San Diego County’s rugged mountains in the 1960s and 1970s, the most difficult section was creating the two, crisscrossing traffic lanes up and down Mountain Springs Grade, which jumps back-and-forth across the San Diego-Imperial county line east of Jacumba.

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$30 million needed in 1939 to modernize San Diego’s roads

It was 1939 and U.S. 80 made the cover of California Highways and Public Works magazine, but not for a good reason. The twisting curve, that looks like it’s just west of today’s Golden Acorn Casino, was an example of just one of the roads that needed to be fixed.

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