- ...there is a sign (pictured) at the terminus of U.S. Route 6 in Provincetown, Massachusetts listing the distance to the current terminus in Bishop, California and the historical terminus in Long Beach, California?
- ...that a section of Interstate 10 west of Houston, Texas is believed to be the widest highway in the world at 26 lanes?
- ... that the design of the Mission Valley Viaduct on Interstate 805 was inspired by the Mission San Diego de Alcala and recognized by the American Society of Civil Engineers?
- ...that the Black River National Forest Scenic Byway in the Upper Peninsula of Michigan connects to the tallest ski flying hill in the world and one of two National Forest harbors in the United States?
- ...that in 2003, CDOT purged all but 500 feet of SH 110, so that it could have a state access route to its Silverton Maintenece Field, making it the shortest highway in Colorado?