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.
Celebrate the life of Frederick Douglass
Join the National Park Service for a series of digital offerings in celebration of the 203rd Anniversary of the Birth of Frederick Douglass
Drive Sober or get Pulled Over
Each year on average, more than 10,000 people die on the road due to drunk driving Don't ruin it for you or someone else.
The United States Park Police
The D-4 station is located at 6501 Greenbelt Road near the entrance of Greenbelt Park. 301-344-4250
Last updated: October 8, 2021