Avis, Armada Vans, Budget, Enterprise, National, and Thrifty. Opryland Hotel Airport Shuttle departs for the hotel every 30 minutes. Nashville's expressway network is small but growing. Major roadway construction projects between the airport and downtown have completed. Though you have periods of fast moving traffic.
Freeways are only crowded during commute hours.
Briley Parkway 265 Downtown Loop Freeway 440 Interstate Freeway Nashville has no Amtrak train service.