The Jacksonville Transportation Authority is an independent state agency serving Duval County, Fla., with multi-modal responsibilities. It designs and constructs bridges and highways and provides a variety of mass transit services, including express and regular bus service, a downtown skyway monorail, trolley service and stadium shuttle for various sporting events at ALLTEL Stadium. It also operates JTA Connexion for the disabled and elderly and ChoiceRide, a service that connects employers and employees for job access through customized transportation solutions. Jacksonville Transportation Authority plays an important role in providing an integrated transportation network to the largest city in the United States in terms of landmass.