Portal:U.S. roads/Did you know/October 2016

... that Nevada State Route 722 is an old routing of both U.S. Route 50 in Nevada and the Lincoln Highway that was abandoned in 1967 due to steep grades and sharp curves?
... that part of Connecticut Route 108 was established as the Farm Highway in 1696?
...that the Sierra Highway was described in a promotional book to recruit teachers to California as "a highway with a hundred by-ways, each by-way with a hundred wonders"?
... that M-46 is only one of three trans-peninsular state highways in the Lower Peninsula of Michigan?
... that Interstate 70 in Utah was built along an entirely new route, and is the longest road built in the US over a new route since the Alaska Highway?