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| Street | Route | Communities | Landmarks | Notes |
|---|---|---|---|---|
| Madison Street | Highland Avenue to Eutaw Street | Mount Vernon | Johns Hopkins Hospital Maryland General Hospital |
One-way pair with Monument Street. Not to be confused with Madison Avenue, which runs from Druid Hill Park to Eutaw Street (with a one-block interruption). Part of route of bus routes 5, 6, and 35. |
| Martin Luther King Jr. Boulevard | Howard Street to Interstate 395 | Bolton Hill | Once part of a planned interstate. Originally called "Harbor City Boulevard." Is the route of the annual Martin Luther King's Day Parade in Baltimore. | |
| Maryland Avenue | 29th Street to Chase Street | Charles Village | One-way pair with Charles Street (MD-139). Exit 5 off I-83 southbound. Part of route of Bus Route 11. | |
| McLean Boulevard | Evergreen Avenue to Perring Parkway (continues as Hillsway Avenue) | Hamilton | Part of route of bus routes 19 and 55. | |
| Milton Avenue | North Avenue to Baltimore Street Eastern Avenue to Hudson Street |
Berea Patterson Park Canton |
Patterson Park | Interrupted as a continuous street by Patterson Park. Part of route of Bus Route 13. |
| Monroe Street | Gwynns Falls Parkway to Annapolis Road | Rosemont Sandtown-Winchester Westport |
Carries US-1 southbound from North Avenue to Wilkens Avenue. In the past, the section to the south of this point was designated MD-3. Part of route of Bus Route 51. | |
| Monument Street | Paca Street to Pulaski Highway | Mount Vernon Ellwood Park McElderry Park |
Washington Monument, Baltimore Johns Hopkins Hospital Maryland Historical Society Ira Remsen House |
One-way pair with Madison Street. Part of route of bus routes 5, 6, and 35. |
| Moravia Road | I-95 to Harford Road (continues as Coldspring Lane) | Moravia | Exit 60 off I-95 (northbound only). Exit 14 off I-895. Part of route of Bus Route 33. | |
| Mount Royal Avenue | Reservoir Street to Guilford Avenue | Reservoir Hill Bolton Hill |
Lyric Opera House University of Baltimore Maryland Institute College of Art |
Starts as side street, where it merges into Exit 6 of I-83(North Avenue, then continues by going straight from the ramp. Entry to I-83 south from Druid Park Lake Drive leads onto this street. |
| Montgomery Street | Battery Avenue to Sharp Street | Federal Hill Otterbein |
Little Montgomery Street Historic District | Part of Maryland Route 2 northbound |
| Mosher Street | Four discontinuous streets: Malster Avenue to Eutaw Place Morris Avenue to dead end west of Payson Street Whitmore Avenue to dead end east of Bentalou Street Braddish Avenue to Franklintown Road |
Rosemont Mosher Sandtown-Winchester Bolton Hill |
Former route of now-defunct No. 30 Streetcar and bus | |
| Mulberry Street | Pulaski Street to Orleans Street | Rosemont Poppleton |
West Baltimore MARC Station | Carries US-40 traffic eastbound. Part of route of bus routes 23 and 40. |
Read more about this topic: Federal Street