Former US 99 followed a very scenic path over the mountains north of Los Angeles. Follow the Historic Highway 99 Association of California on a journey through the mountains, down the canyons, and beneath Pyramid Lake. Learn what was there before I-5 and what it took to build both roads.
For more information, you can also check out these sites:
https://historic99.org
https://ridgeroute.org
https://socalregion.com/highways/us_99/