In 1921, the Mint Canyon Road was paved with a 20 foot slab of unreinforced concrete. This section of highway was bypassed in 1933. The newer alignment was far straighter than the old. The old alignment had seven reversing curves known as the “Seven Sisters” and were quite dangerous. In July 1997, the concrete on the Mint Canyon Road was paved over to “smooth” the roadway. This marks the passing of another era of US 6 history. In February 2001, this highway received a final coat of asphalt. Now, no trace of the concrete can be seen.
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