The Leesburg park-and-ride lot is located at the Holy Trinity Lutheran Church on West Market Street at Catoctin Circle. It offers 50 parking spaces for commuters who would like to access the fast-moving HOV lanes on the Dulles Toll Road. To reach the HOV lanes, take Catoctin Circle and turn right on King Street. Take King Street to Rt. 15 east and exit at the Dulles Greenway. This road leads you the Dulles Toll Road HOV lanes.