- ...that the Schuylkill Parkway freeway stub (pictured) in Bridgeport, Pennsylvania has been used as a filming location as well as for training emergency vehicle drivers and for commercial vehicle driver tests?
- ...that Interstate 15's route through Arizona is completely isolated from the rest of the state road network?
- ... that M-80 serves the Chippewa County International Airport on the site of the former Kinross Air Force Base?
- ...that State Route 70, a National Scenic Byway through California's Feather River Canyon, was constructed using an access road laid out by the Utah Construction Company when it built the Western Pacific Railroad in the canyon?
- ...that the Delaware Turnpike and Northeast Expressway connecting Wilmington, Delaware to Baltimore, Maryland were dedicated by President John F. Kennedy one week before his assassination and were named the John F. Kennedy Memorial Highway in his honor?