MD 187

MD 187
State	Maryland
Type	MD
Route	187
Length mi	2.54
Established	1927
Direction a	West
Terminus a	Friendship Heights
Direction b	East
Terminus b	K Street
Counties	Montgomery County
Previous type	MD
Previous route	186
Next type	MD
Next route	188

MD 187 is a state highway in Montgomery County, Maryland, running along Connecticut Avenue between the District of Columbia boundary at Washington, D.C. and the suburb of Chevy Chase. The route functions as a major north–south arterial connecting neighborhoods such as Friendship Heights, Tenleytown, and Bethesda to federal corridors like K Street and regional routes including Wisconsin Avenue and Connecticut Avenue in the District of Columbia. It serves transit nodes for agencies such as Washington Metro and bus networks operated by Metrobus and Ride On.

Route description

The highway begins at the District of Columbia line in Friendship Heights, adjacent to landmarks like the Friendship Heights Station and commercial centers including Mazda Plaza and the American University Park. Proceeding north on Connecticut Avenue, the route traverses mixed-use corridors with proximity to institutions such as Georgetown University to the south and American University to the southwest. It crosses major thoroughfares including Nebraska Avenue and intersects arterials that link to Massachusetts Avenue, Wisconsin Avenue, and Western Avenue. The road provides surface connections to Tenleytown–AU Station and Friendship Heights Station on the Red Line, while bus routes operated by Metrobus and Montgomery County Ride On serve stops near Bethesda and the National Institutes of Health complex. The highway terminates near downtown Chevy Chase where it links to local streets feeding into MD 355 and other county-maintained roads that provide access toward Rockville and Silver Spring.

History

The corridor that became the state route developed alongside suburban expansion tied to transportation projects like the Rock Creek and Potomac Parkway and the extension of the Washington Metro Red Line. Early 20th-century improvements coincided with the establishment of the District of Columbia Streetcar network and the rise of automobile travel after World War I. The designation was assigned in the 1920s as Maryland organized state highways, contemporary with numbered routes such as U.S. Route 1 and U.S. Route 50. Mid-century modifications occurred in coordination with planning by the National Capital Planning Commission and Maryland State Highway Administration, reflecting shifting priorities after the Interstate Highway System spurred suburbanization. Transit-oriented development near Friendship Heights Station and preservation efforts influenced lane configurations and streetscape projects, while federal initiatives like the Urban Mass Transportation Act of 1964 and local zoning by the Montgomery County Council shaped bus and bicycle accommodations.

Major intersections

The route connects with several primary corridors and nodes that facilitate regional travel and transit transfers, including intersections near Friendship Heights Station, junctions serving Nebraska Avenue, links to Wisconsin Avenue and access to MD 355. It ties into surface streets leading to Massachusetts Avenue, Western Avenue, and feeder roads toward Rock Creek Park and Chevy Chase Club. The highway's intersections support multimodal transfers to Red Line stations and bus hubs for Metrobus, Ride On, and commuter services to Washington, D.C. and suburban employment centers like Bethesda and Silver Spring.

Auxiliary routes

Several short connector and service roads associated with the route provide access to commercial complexes, transit facilities, and residential streets. These include local spurs and turn lanes created during streetscape projects that improved pedestrian links to stations like Friendship Heights Station and Tenleytown–AU Station, as well as curbside bus bays used by Metrobus and private commuter coach operators traveling between suburbs and Washington, D.C. financial and federal districts.

Traffic and transportation statistics

Traffic volumes on the corridor reflect heavy commuter flows into Washington, D.C. and regional shopping destinations such as Friendship Heights shopping district and Bethesda Row. Peak-hour congestion corresponds with commuting patterns serving federal employment centers including the National Institutes of Health, cultural institutions near K Street and suburban employment clusters in Rockville and Gaithersburg. Ridership on adjacent Red Line stations and bus routes like Metrobus routes linking to Union Station and commuter lots influences modal split. Crash data and safety analyses have guided improvements coordinated by the Maryland State Highway Administration and the Montgomery County Department of Transportation.

Future improvements and planning

Planned projects consider multimodal upgrades, including streetscape enhancements, bicycle facilities, and transit priority measures in coordination with agencies such as the Washington Metropolitan Area Transit Authority, Montgomery County Planning Department, and the National Capital Planning Commission. Proposals linked to federal funding programs and state transportation bonds emphasize improved pedestrian access near transit nodes like Friendship Heights Station and TOD planning consistent with Smart Growth America-influenced policies and county master plans adopted by the Montgomery County Council. Ongoing studies examine intersection geometry, signal priority for buses, and coordinated land-use initiatives to manage growth toward centers such as Bethesda and Chevy Chase.

Category:State highways in Maryland