Dallas Area Rapid Transit (DART)a regional transit agency authorized pursuant to Chapter 452 of the Texas Transportation Code was created by voters and funded with a one-cent local sales tax on August13, 1983. The service area consists of 13 member cities: Addison, Carrollton, Cockrell Hill, Dallas, Farmers Branch, Garland, Glenn Heights, Highland Park, Irving, Plano, Richardson, Rowlett and University Park.Currently, DART serves Dallas and12 surrounding cities with approximately130 bus routes, 48 miles of light rail transit(DART Rail), 84 freeway miles of high occupancy vehicle (HOV) lanes, and paratransit service for the mobility impaired.DART and the Fort Worth Transportation Authority (the T) jointly operate 35 miles of commuter rail transit (the Trinity Railway Express or TRE), linking downtown Dallas and Fort Worth with stops in the mid-cities and DFW International Airport.Through 2013, the DART Rail System is slated to nearly double in size to 90 miles. Extensions now in development include the 17.5-mile Northwest Corridor serving downtown Dallas, American Airlines Center,the Dallas Medical/Market Center, Love Field Airport, and the cities of Farmers Branch and Carrollton. A13-mile branch will extend from the Northwest Corridor to North Irving's Las Colinas Urban Center and DFW International Airport. Another seven mile extension will serve the Southeast Corridor connecting Downtown Dallas, Deep Ellum, Fair Park, South Dallas and Pleasant Grove. In addition, service will extend five miles northeast on the Blue Line, from Downtown Garland Station to Rowlett. A second Blue Line extension is planned for 2018, south three miles from Ledbetter Station in Oak Cliff to UNT Dallas. A second downtown Dallas alignment is also planned.