Green Line (Baltimore)

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Green Line
TypeBus rapid transit, light rail, or heavy rail
SystemMaryland Transit Administration
Metro Subway
LocaleBaltimore, Maryland
TerminiJohns Hopkins Hospital
Morgan State University
Operator(s)Maryland Transit Administration
Line length4 mi (6.4 km)
Route map

Locally preferred alternative
Owings Mills
Old Court
Milford Mill
Reisterstown Plaza
Rogers Avenue
West Coldspring
Upton–Avenue Market
Baltimore Bike Share
State Center
Baltimore Light RailBaltimore Bike Share
Lexington Market
Baltimore Bike Share
Charles Center
Baltimore Bike Share
Shot Tower–Market Place
Baltimore Bike Share
Johns Hopkins Hospital
MARC train.svgParking
Madison Square
East North Avenue
33rd Street
Morgan State U
Northern Parkway
Perry Hall
White Marsh
I-95 (JFK Memorial Highway)
MARC train.svgParking
Martin State Airport Martin State Airport

The Green Line is a proposed mass transit line for the Baltimore, Maryland area in the United States. It is still in the planning stages and its construction is not guaranteed.


In March 2002, the Baltimore Region Rail System Plan Advisory Committee, an independent commission appointed by Transportation Secretary John D. Porcari, developed suggestions for new lines and expansions of existing lines as part of a long-term regional rail system plan for the Baltimore area. The committee applied a unified branding scheme for the existing lines and the proposed new lines, identifying each line by a color, as the Washington Metro and many other transit agencies do. In the committee's report, the existing Baltimore Metro Subway was renamed the Green Line, and was to be extended northeast of its current terminus at Johns Hopkins Hospital, past Morgan State University and Good Samaritan Hospital in the northeastern part of the city, and ultimately on to White Marsh in Baltimore County.[1]

The proposed extension of the Metro Subway was taken up by city and state officials as one of two proposals, from the advisory committee's long-term plan, that would be actively pursued (the other being the Red Line).[2] Although the report used the name "Green Line" to refer to the entire expanded Metro Subway, the term is currently being used to refer to the extension under consideration. As the existing Metro Subway is currently marked in green on the Baltimore Regional Transit Map,[3] it's possible that the term might someday refer to the entire line.

Extension from Hopkins to Morgan State University[edit]

The current Green Line study focuses only on the 4-mile section of the proposed line from Johns Hopkins Hospital to Morgan State University.[4] While an extension of the existing Metro Subway might seem like the most logical mode for this line, the expense of building several miles of underground heavy rail rapid transit might make the project untenable. Therefore, the ongoing scoping process is also considering bus rapid transit and light rail options as a possibility for this corridor.[5]

Proposed Stations[edit]

North to south, from Johns Hopkins Hospital Station:

Station Name Parking Connection
Madison Square Parking MARC Penn Line
East North Avenue no
Coldstream Parking
33rd Street Parking
Northwood Parking
Morgan State University Parking
Future Extension to White Marsh.[6]
Hamilton no
Northern Parkway no
Overlea no
Fullerton Parking
Perry Hall Parking
White Marsh Parking White Marsh Park & Ride
Martin State Airport Parking MARC Penn Line

Current status[edit]

Selection of a "locally preferred alternative" from the various transit options under consideration was originally scheduled for "Spring 2009 - Winter 2009." However, a selection was not announced during 2009 and the project schedule had still not been updated by the end of Summer 2010.[7] As of October 2010, project planning for the Green Line is on hold for the foreseeable future. No funding was allocated for the line's planning as of fiscal year 2011.[8]

See also[edit]


  1. ^ Baltimore Region Rail System Plan Archived September 9, 2011, at the Wayback Machine. Advisory Committee Report, March 2002.
  2. ^ Baltimore Regional Rail System Plan: Final Report. MTA Maryland. Retrieved August 26, 2010
  3. ^ Baltimore Regional Transit Map. MTA Maryland. Retrieved August 26, 2010
  4. ^ Baltimore Green Line Study. Retrieved August 26, 2010.
  5. ^ Alignment Alternatives. Baltimore Green Line. Retrieved August 26, 2010.
  6. ^ Baltimore Region Rail System Plan Archived September 9, 2011, at the Wayback Machine. Advisory Committee Report, March 2002.
  7. ^ Project Schedule. Baltimore Green Line. Retrieved August 26, 2010.
  8. ^ MDOT 2011 CTP MDOT FY2011-2016 Consolidated Transportation Program. Retrieved October 6, 2010.