In this week's edition of Throwback Thursday, we travel back to December 2003 to the southern end of Interstate 99 in Bedford, Pennsylvania, where we can see button copy guide signage for US 30 and US 220 (US 220 runs concurrent with I-99 through this part of the Keystone State). Since I-99 was relatively new at the time, it feels like it was an afterthought.
Chowchilla Mountain Road of Mariposa County is one of the oldest roadways servicing Yosemite National Park. As presently configured this fourteen-mile highway begins at California State Route 49 near Elliot Corner and terminates at the Wawona Road in Yosemite National Park. Chowchilla Mountain Road was constructed as a franchise toll road over Battalion Pass circa 1869-1870. The highway was built at behest of Galen Clark to connect the town of Mariposa to his property near the South Fork Merced River at what is now Wawona. In late 1874 the highway along with Clark’s Station would be purchased by the Washburn Brothers. The Washburn Brothers would continue to toll Chowchilla Mountain Road as part of their Yosemite Stage Route lines. The highway would ultimately become a Mariposa County public highway in 1917. Mariposa would later be more directly linked with Yosemite Valley in 1926 following the completion of the Yosemite All-Year Highwa...
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