Double-decker bus
With the exception of coaches, double-decker buses are uncommon in the United States. Many private operators, such as Megabus, run by Coach USA, employs double-decker buses on its busier intercity routes.
Bilevel rail car
The double-deck cars are designed for running at higher speeds than ordinary passenger cars – up to , although the upper limit was later reduced for trains entering tunnels. The cars are frequently operated in all-double-deck InterCity trains (known as IC) with at-seat power supply for laptops and wireless LAN internet connection.
The Chemin de fer de l'État in France ran "voitures à 2 étages" double-deck suburban coaches from 1933. Its successor, the SNCF, has been running VB2N double-decker coaches since 1975; VB2N were introduced from 1975 as a replacement of the État cars.