- ... that the Seney Stretch (pictured) along M-28 in Michigan's Upper Peninsula is 25 miles (40 km), but "others claim it's 50 miles [80 km], only because it seems longer"?
- ...that while traversing mountainous terrain, Interstate 5 in California has a portion where traffic in one direction crosses over the traffic lanes for the other direction?
- ...that a "token war" between the Connecticut Turnpike and the New York City Subway developed in the 1980s when subway riders discovered that the turnpike's cheaper tokens fit in fare boxes?
- ... that the part of Arkansas Highway 29 that goes through Hope, Arkansas, is referred to as "Bill Clinton Drive"?
- ...that prior to the construction of the Puncheon Run Connector in Dover, Delaware, a site along Puncheon Run had to be excavated as it consisted of prehistoric Native American artifacts?