Slow Your Speed in the Altamont Pass
The Altamont Pass, formerly Livermore Pass, is a 1,009 ft (308 m) mountain pass in the Diablo Range between Livermore in the Livermore Valley and Tracy in the San Joaquin Valley in Northern California. The pass carries Interstate 580,, Altamont Pass Road, which is the original alignment of US 50, heavily congested by Central Valley suburbanizatio
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