- ...that the final piece of the Mexico to Canada freeway Interstate 5 was dedicated south of Stockton, California in 1979?
- ... that U.S. Highway 102 was the first U.S. Highway in Michigan to be decommissioned, just two years after designation?
- ...that Pennsylvania Route 715 was designated in 1963 in order to provide a route number at the Tannersville interchange of I-80?
- ...that the final piece of the coast-to-coast Interstate 90 to be built was a viaduct over downtown Wallace, Idaho, dedicated in 1991?
- ... that County Route 41 in Onondaga County, New York, was once part of two state highways and one turnpike?
