 Many Chinese parents in Plano enroll their children in supplementary schools, where they get additional mathematics education and/or Chinese language education.Plano is one of 12 suburbs of Dallas that opt into the Dallas Area Rapid Transit (DART) public transportation system.During most of its membership in DART, Plano was lightly served by bus lines, but in 2002, the Red Line of the DART Light Rail project opened stations in Downtown Plano and at Parker Road, which provide access to commuters traveling to work elsewhere in the Dallas area.