Gate 1: Mapes Road and Route 32
5 a.m. to 9 p.m., 7 days a week

Gate 2: Mapes Road and Maryland Route 175
5 a.m. to 7 p.m., Monday through Friday; closed weekends and holidays

Gate 3: Rockenbach Road
5 a.m. to 9 p.m., 7 days a week

Gate 6: Llewellyn Avenue and Maryland Route 175
6 to 8 a.m. Monday through Friday for inbound traffic; 3 to 6 p.m. Monday through Friday for outbound traffic

Gate 7: Reece Road and Maryland Route 175(Demps Visitor Control Center gate)
24-hour access