Rental car return areas are outside the terminals. Service at DFW International includes Avis , Budget , Hertz and National . Dallas is encircled by the I-635 loop, known as the LBJ Freeway. The Fort Worth loop is I-820. Roadwork continues to produce delays, particularly on the Central Expressway in Dallas and on I- 30 between Forth Worth and Arlington.
Trains connect Chicago and Houston with Dallas.
The terminal is convenient to downtown hotels, the Dallas Convention Cente r and the West End Historic District. Free parking is available at most stations, and all are served by DART bus routes especially timed for transfer s between buses and trains. Fort Worth s bus service is called the T . It offers free buses running up and down Throckmorton in the downtown area every five minutes. They re used for short, circular routes in concentrated business and shopping areas and serve as a link between light-rail stops and attractions.