- ...that North Carolina Highway 3 switched designations with North Carolina Highway 136 in 2002 to honor the late Dale Earnhardt, a NASCAR driver who drove the #3 car?
- ...that the State Circle in Annapolis, Maryland is designated Maryland Route 797 and has a circumference of 0.27 miles (0.43 km)?
- ...that there is a land bridge for animals over Interstate 78 in New Jersey (pictured) near the Watchung Reservation?
- .... that Arizona State Route 51, formerly known as the Squaw Peak Freeway—a derogatory term for Native American women—was renamed the Piestewa freeway after Lori Piestewa, the first Native American woman to die in combat while serving the U.S. Military?
- ...that New Jersey Route 31 and Utah State Route 38 were both renumbered from "Route 69" due to sign theft that resulted from the sexual meaning of the number 69?