About Baltimore-Washington Parkway
This 29-mile highway connects Baltimore, MD and Washington, D.C. The parkway has carried visitors to and from the capital city since 1954.
Plan a Visit
Core visitor information on this page is sourced from the National Park Service. NPD proximity sections use NPS reference coordinates and straight-line distance. Local source bundle updated Sep 27, 2026. View the official NPS page.
Weather & Conditions
The Washington, D.C. area has a four-season Mid-Atlantic climate. Summertime is warm and humid, while winter can be cold and snowy. Spring: During these months of transition, the weather can alternate from warm, humid air coming from the south to cold, dry air coming from the northwest. Be prepared for…
NPS Reference Location
Park state / territory membership: Maryland. This map uses the National Park Service reference coordinate. It may represent an administrative or reference point rather than a park entrance, trailhead, visitor center, or the nearest access point. Use the official NPS directions below when planning travel.
Operating Hours
The Baltimore-Washington Parkway is generally open year round, 24 hours a day. Check current conditions for information about closures due to road work and inclement weather.
Activities
Getting There
This 29-mile highway connects Baltimore, MD and Washington, D.C
View Official DirectionsContact & Address
The NPS-listed address may be an administrative office, visitor center, mailing/contact location, or other park facility rather than a park entrance.
Topics & Themes
Things To Do
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Nearby National Park Service Sites
These sites are ordered by straight-line distance between NPS reference coordinates. This is useful for comparison, but it is not road mileage. Trails, parkways, rivers, and distributed units may extend far from their reference point.
Nearby Cities for Trip Planning
These cities are ordered by straight-line distance from the NPS reference coordinate. They are comparison starting points, not official park gateways or road-distance estimates. Trails and other distributed units may extend far beyond this reference point.
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