Scenic Entry to the Nation's Capital
This 29-mile highway connects Baltimore, MD and Washington, D.C. The parkway has carried visitors to and from the capital city since 1954.
Scenic Entry to the Nation's Capital
This 29-mile highway connects Baltimore, MD and Washington, D.C. The parkway has carried visitors to and from the capital city since 1954.
Passport Stamps
Start your stamp collection and celebrate every park you visit!
The United States Park Police
The D-4 station is located at 6501 Greenbelt Road near the entrance of Greenbelt Park. 202-610-7500
Greenbelt Park Campground
The Greenbelt Park Campground is Exit 193 West of the Baltimore Washington Parkway
Last updated: September 10, 2025