Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Las Colinas Urban Center Station will be a DART light rail station located in the Las Colinas development of Irving, Texas for service on the Orange Line. The station is planned to open in December 2011. A connection with the Las Colinas APT will serve the businesses and residents of the Las Colinas Urban Center. The Dallas Area Rapid Transit authority is a transit agency based in Dallas, Texas. It operates buses, light rail, commuter rail, and high-occupancy vehicle lanes in Dallas and 12 of its suburbs.