7 of the longest US Interstates

Marine By Choice wrote:

time2roll wrote:
Had an uncle in-law that made an effort to drive all the interstates one end to the other in one motion.
He thought he was done until I reminded him he needs to visit Oahu for the shorties.

Isn't that an intrastate, rather than an interstate?

Interstate, the U.S. Government can't be wrong.