| Route Number |
Length[1] |
Western / Southern Terminus |
Eastern / Northern Terminus |
Counties |
002 MD 2 (Truck) |
079.24 79.24 miles (127.52 km) |
MD 4 near Solomons |
 
 US 1/US 40 Truck in Baltimore |
Baltimore City, Anne Arundel, Calvert |
003 MD 3 (Business) |
009.56 9.56 miles (15.39 km) |
 US 50/US 301 in Bowie |
I-97 near Millersville |
Anne Arundel, Prince George's |
004 MD 4 |
064.85 64.85 miles (104.37 km) |
MD 5 near Leonardtown |
Pennsylvania Avenue in Washington, D.C. |
Prince George's, Anne Arundel, Calvert, St. Mary's |
005 MD 5 |
074.34 74.34 miles (119.64 km) |
Point Lookout |
Branch Avenue in Suitland |
Prince George's, Charles, St. Mary's |
006 MD 6 |
047.38 47.38 miles (76.25 km) |
Riverside |
MD 235 in Turner |
Charles, St. Mary's |
007 MD 7 |
041.33 41.33 miles (66.51 km) |
US 40 near Rosedale |
US 40 in Elkton |
Baltimore County, Harford, Cecil |
008 MD 8 |
008.37 8.37 miles (13.47 km) |
Romancoke Pier in Romancoke |
MD 18 in Stevensville |
Queen Anne's |
010 MD 10 |
007.17 7.17 miles (11.54 km) |
MD 2 near Pasadena |
I-695 near Baltimore |
Anne Arundel |
012 MD 12 |
030.63 30.63 miles (49.29 km) |
VA 679 at the Virginia border |
BUS US 13 in Salisbury |
Wicomico, Worcester |
014 MD 14 |
011.51 11.51 miles (18.52 km) |
MD 16 in Secretary |
MD 313 in Eldorado |
Dorchester |
016 MD 16 |
051.06 51.06 miles (82.17 km) |
end of state maintenance in Taylors Island |
DE 16 at the Delaware border |
Dorchester, Caroline |
017 MD 17 |
029.49 29.49 miles (47.46 km) |
VA 287 at Potomac River in Brunswick |
end of state maintenance at the Washington County line |
Frederick |
018 MD 18 |
020.47 20.47 miles (32.94 km) |
End of state maintenance at Love Point |
MD 213 in Centreville |
Queen Anne's |
019 MD 19 |
008.60 8.60 miles (13.84 km) |
MD 213 at Church Hill |
MD 313 at Ingleside |
Queen Anne's |
020 MD 20 |
013.74 13.74 miles (22.11 km) |
MD 445 in Rock Hall |
MD 291 in Chestertown |
Kent |
021 MD 21 |
002.42 2.42 miles (3.89 km) |
MD 445 in Tolchester Beach |
MD 20 in Sandy Bottom |
Kent |
022 MD 22 |
013.04 13.04 miles (20.99 km) |
US 1 in Bel Air |
Gate of Aberdeen Proving Ground |
Harford |
023 MD 23 |
020.46 20.46 miles (32.93 km) |
US 1 in Bynum |
PA 24 at the Pennsylvania border |
Harford |
024 MD 24 |
025.17 25.17 miles (40.51 km) |
Aberdeen Proving Grounds near Edgewood |
MD/PA State Line near Fawn Grove, PA |
Harford |
025 MD 25 |
026.89 26.89 miles (43.28 km) |
Beckleysville Rd. near Beckleysville |
MD 2 in Baltimore |
Baltimore County, Baltimore City |
026 MD 26 |
043.94 43.94 miles (70.71 km) |
US 15 in Frederick |
MD 140 in Baltimore |
Frederick, Carroll, Baltimore County, Baltimore City |
027 MD 27 |
039.17 39.17 miles (63.04 km) |
MD 30 in Manchester |
MD 355 near Germantown |
Carroll, Howard, Frederick, Montgomery |
028 MD 28 |
037.38 37.38 miles (60.16 km) |
 MD 650/MD 198 near Spencerville |
US 15 at Point of Rocks |
Frederick, Montgomery |
030 MD 30 |
018.52 18.52 miles (29.81 km) |
MD 140 in Reisterstown |
PA 94 at PA state line near Hanover |
Carroll, Baltimore County |
031 MD 31 |
016.76 16.76 miles (26.97 km) |
MD 26 in Libertytown |
MD 140 in Westminster |
Frederick, Carroll |
032 MD 32 |
051.79 51.79 miles (83.35 km) |
I-97 near Crownsville |
Washington Road in Westminster |
Carroll, Howard, Anne Arundel |
033 MD 33 |
023.17 23.17 miles (37.29 km) |
end of state maintenance in Tilghman Island |
MD 565 in Easton |
Talbot |
034 MD 34 |
009.95 9.95 miles (16.01 km) |
WV 480 near Shepherdstown, WV |

US 40 Alt in Boonsboro |
Washington |
035 MD 35 |
002.37 2.37 miles (3.81 km) |
MD 36 in Corriganville |
PA 96 in Ellerslie |
Allegany |
036 MD 36 |
029.43 29.43 miles (47.36 km) |
WV 46 at Westernport |

US 40 Alt at Cumberland |
Allegany |
038 MD 38 |
005.67 5.67 miles (9.12 km) |
WV 42 in Kitzmiller |
MD 135 near Swanton |
Garrett |
039 MD 39 |
006.22 6.22 miles (10.01 km) |
US 219 in Oakland |
WV 7 at WV state line |
Garrett |
041 MD 41 |
002.97 2.97 miles (4.78 km) |
Baltimore city line |
I-695 near Parkville |
Baltimore County |
042 MD 42 |
015.06 15.06 miles (24.24 km) |
US 219 near McHenry |
PA state line near Markleysburg, PA |
Garrett |
043 MD 43 |
008.9 8.9 miles (14.3 km) |
I-695 near Putty Hill |
MD 150 at Martin State Airport in Middle River |
Baltimore County |
045 MD 45 (Bypass) |
030.02 30.02 miles (48.31 km) |
US 1 in Baltimore |
PA State Line near Maryland Line |
Baltimore County, Baltimore City |
047 MD 47 |
001.70 1.70 miles (2.74 km) |
MD 36 in Barrelville |
PA 160 near Wellersburg, PA |
Allegany |
049 MD 49 |
001.02 1.02 miles (1.64 km) |
MD 658 in LaVale |
Intersection of Greene and Fayette Streets in Cumberland |
Allegany |
051 MD 51 |
025.53 25.53 miles (41.09 km) |
  I-68/US 40/US 220 in Cumberland |
WV 9 near Paw Paw, WV |
Allegany |
053 MD 53 |
003.33 3.33 miles (5.36 km) |
US 220 in Cresaptown |

US 40 Alt in LaVale |
Allegany |
054  MD/DE 54 |
041.84 41.84 miles (67.33 km) |
DE 1 in Fenwick Island, DE |
MD 313 near Mardela Springs, MD |
Wicomico |
055 MD 55 |
002.53 2.53 miles (4.07 km) |
MD 36 near Vale Summit |

US 40 Alt in Clarysville |
Allegany |
056 MD 56 |
009.46 9.46 miles (15.22 km) |
US 40 at Indian Springs |
MD 68 near Charlton |
Washington |
057 MD 57 |
004.02 4.02 miles (6.47 km) |
US 40 near Spickler |
MD 494 near the PA state line |
Washington |
058 MD 58 |
003.53 3.53 miles (5.68 km) |
MD 63 and MD 494 at Cearfoss |
US 11 in Hagerstown |
Washington |
060 MD 60 |
007.27 7.27 miles (11.70 km) |
Northern Avenue in Hagerstown |
PA 316 near Waynesboro, PA |
Washington |
061 MD 61 |
001.94 1.94 miles (3.12 km) |
WV 28 in Wiley Ford, WV |
MD 51 in Cumberland |
Allegany |
062 MD 62 |
003.88 3.88 miles (6.24 km) |
MD 64 at Chewsville |
MD 60 in Leitersburg |
Washington |
063 MD 63 |
016.99 16.99 miles (27.34 km) |
MD 65 near Tilghmanton |
PA state line near Cearfoss |
Washington |
064 MD 64 |
013.33 13.33 miles (21.45 km) |
US 40 in Hagerstown |
PA 997 near Ringgold |
Washington |
065 MD 65 |
011.75 11.75 miles (18.91 km) |
MD 34 in Sharpsburg |
Hagerstown city limits |
Washington |
066 MD 66 |
012.84 12.84 miles (20.66 km) |

ALT US 40 in Boonsboro |
MD 64 in Smithsburg |
Washington |
067 MD 67 |
012.20 12.20 miles (19.63 km) |
US 340 near Weverton |

US 40 Alt near Boonsboro |
Washington |
068 MD 68 |
018.50 18.50 miles (29.77 km) |
US 40 in Clear Spring |

US 40 Alt near Boonsboro |
Washington |
070 MD 70 |
002.32 2.32 miles (3.73 km) |
MD 450 in Annapolis |
Bestgate Road |
Anne Arundel |
075 MD 75 |
028.53 28.53 miles (45.91 km) |
MD 31 in New Windsor |
MD 355 in Hyattstown |
Carroll, Frederick |
076 MD 76 |
005.69 5.69 miles (9.16 km) |
MD 77 near Rocky Ridge |
U.S. Route 15 near Emmitsburg |
Frederick |
077 MD 77 |
020.74 20.74 miles (33.38 km) |
MD 64 in Smithsburg |
MD 194 near Keymar |
Washington, Frederick, Carroll |
079 MD 79 |
001.81 1.81 miles (2.91 km) |
MD 17 in Brunswick |
MD 180 in Petersville |
Frederick |
080 MD 80 |
014.79 14.79 miles (23.80 km) |
MD 27 at Claggetsville |
MD 85 near Buckeystown |
Frederick, Montgomery |
084 MD 84 |
005.75 5.75 miles (9.25 km) |
MD 75 |
MD 832 |
Carroll |
085 MD 85 |
010.22 10.22 miles (16.45 km) |
MD 28 in Tuscarora |
I-70 in Frederick |
Frederick |
086 MD 86 |
004.00 4.00 miles (6.44 km) |
MD 30 near Manchester |
PA 516 at the Pennsylvania border in Lineboro |
Carroll |
088 MD 88 |
008.01 8.01 miles (12.89 km) |
MD 30 |
MD 25 |
Carroll, Baltimore County |
090 MD 90 |
011.83 11.83 miles (19.04 km) |
US 50 near Whaleyville |
MD 528 in Ocean City |
Worcester |
091 MD 91 |
007.86 7.86 miles (12.65 km) |
MD 32 in Gamber |
MD 30 in Fowblesburg |
Baltimore County, Carroll |
094 MD 94 |
006.25 6.25 miles (10.06 km) |
Old Frederick Road |
Montgomery County line |
Howard |
095 MD 95 |
000.85 0.85 miles (1.37 km) |
MD 109 |
End of state maintenance |
Montgomery |
097 MD 97 |
055.27 55.27 miles (88.95 km) |
 US 29/MD 384 at Silver Spring |
PA 97 near Littlestown |
Carroll, Howard, Montgomery |
099 MD 99 |
007.57 7.57 miles (12.18 km) |
MD 32 near Alpha |
US 29 in Ellicott City |
Howard |
| Route Number |
Length[1] |
Western / Southern Terminus |
Eastern / Northern Terminus |
Counties |
100 MD 100 |
022.05 22.05 miles (35.49 km) |
MD 177 in Pasadena |
US 29 in Columbia |
Howard, Anne Arundel |
103 MD 103 |
008.29 8.29 miles (13.34 km) |
beginning of state maintenance in Dorsey |
US 29 in Ellicott City |
Howard, Anne Arundel |
104 MD 104 |
001.14 1.14 miles (1.83 km) |
MD 108 near Jonestown |
MD 103 east of Ellicott City |
Howard |
107 MD 107 |
004.79 4.79 miles (7.71 km) |
MD 109 in Poolesville |
MD 28 |
Montgomery |
108 MD 108 |
034.23 34.23 miles (55.09 km) |
MD 175 near Waterloo |
MD 27 at Damascus |
Howard, Montgomery |
109 MD 109 |
011.87 11.87 miles (19.10 km) |
MD 107 in Poolesville |
MD 355 in Hyattstown |
Montgomery |
112 MD 112 |
002.81 2.81 miles (4.52 km) |
MD 190 |
MD 28 |
Montgomery |
115 MD 115 |
005.83 5.83 miles (9.38 km) |
MD 124 |
MD 28 |
Montgomery |
117 MD 117 |
012.67 12.67 miles (20.39 km) |
MD 28 near Dawsonville |
MD 355 in Gaithersburg |
Montgomery |
118 MD 118 |
007.08 7.08 miles (11.39 km) |
MD 28 near Darnestown |
MD 355 in Germantown |
Montgomery |
119 MD 119 |
007.47 7.47 miles (12.02 km) |
MD 28 |
Middlebrook Road |
Montgomery |
121 MD 121 |
009.15 9.15 miles (14.73 km) |
MD 28 |
MD 355 |
Montgomery |
122 MD 122 |
002.96 2.96 miles (4.76 km) |
end of state maintenance in Woodlawn |
I-70 in Baltimore |
Baltimore County |
124 MD 124 |
017.03 17.03 miles (27.41 km) |
MD 28 near Darnestown |
MD 108 in Damascus |
Montgomery |
125 MD 125 |
003.53 3.53 miles (5.68 km) |
Howard County line |
End of state maintenance |
Baltimore County |
128 MD 128 |
|
MD 25 in Sparks, MD |
MD 30 in Reisterstown |
Baltimore County |
129 MD 129 |
015.43 15.43 miles (24.83 km) |
 US 40/MD 295 in downtown Baltimore |
Garrison Forest Rd. near Reisterstown |
Baltimore County, Baltimore City |
130 MD 130 |
005.57 5.57 miles (8.96 km) |
MD 140 (Reisterstown Road) in Owings Mills |
MD 25 (Falls Road) in Lutherville |
Baltimore County |
131 MD 131 |
003.06 3.06 miles (4.92 km) |
MD 25 (Falls Road) in Lutherville, Maryland |
Providence Road in Parkville, Maryland |
Baltimore County |
132 MD 132 |
002.15 2.15 miles (3.46 km) |
End of state maintenance |
APG Road in Aberdeen |
Harford |
133 MD 133 |
003.31 3.31 miles (5.33 km) |
MD 129 |
MD 25 |
Baltimore County |
134 MD 134 |
001.63 1.63 miles (2.62 km) |
Northern Parkway in Baltimore |
MD 139 (Charles Street) in Towson |
Baltimore County |
135 MD 135 |
029.00 29.00 miles (46.67 km) |
US 219 in Oakland |
US 220 in McCoole |
Garrett, Allegany |
136 MD 136 |
030.04 30.04 miles (48.34 km) |
MD 7 |
MD 23 in Norrisville |
Harford |
137 MD 137 |
008.50 8.50 miles (13.68 km) |
Armacost Road |
MD 45 |
Baltimore County |
138 MD 138 |
009.24 9.24 miles (14.87 km) |
Maryland Route 45 in Hereford |
MD 23 |
Baltimore County, Harford |
139 MD 139 |
007.88 7.88 miles (12.68 km) |
US 1 in Baltimore |
I-695 in Towson |
Baltimore County, Baltimore City |
140 MD 140 |
049.72 49.72 miles (80.02 km) |
US 1 in Baltimore |
PA 16 in Liberty Twp, PA |
Frederick, Carroll, Baltimore County, Baltimore City |
144 MD 144 |
060.26 60.26 miles (96.98 km) |
MD 807 in Cumberland |
US 1 in Baltimore |
Allegany, Washington, Frederick, Carroll, Howard, Baltimore County, Baltimore City |
145 MD 145 |
010.34 10.34 miles (16.64 km) |
MD 45 in Cockeysville |
MD 165 near Baldwin |
Baltimore County |
146 MD 146 |
016.81 16.81 miles (27.05 km) |
MD 45 in Towson |
MD 23 in Madonna |
Harford, Baltimore County |
147 MD 147 |
018.81 18.81 miles (30.27 km) |
US 1 in Baltimore |
US 1 in Benson |
Harford, Baltimore County, Baltimore City |
150 MD 150 |
013.01 13.01 miles (20.94 km) |
US 40 in Baltimore |
Chase |
Baltimore City, Baltimore County |
151 MD 151 |
010.80 10.80 miles (17.38 km) |
end of state maintenance in Sparrows Point |
US 1 in Baltimore |
Baltimore City, Baltimore County |
152 MD 152 |
017.34 17.34 miles (27.91 km) |
Aberdeen Proving Ground |
MD 146 |
Harford |
155 MD 155 |
009.12 9.12 miles (14.68 km) |
MD 22 in Churchville |
US 40 in Havre de Grace |
Harford |
156 MD 156 |
003.92 3.92 miles (6.31 km) |
MD 22 near Churchville |
MD 155 near Webster |
Harford |
157 MD 157 |
004.79 4.79 miles (7.71 km) |
MD 158 near Sparrows Point |
I-695 in Dundalk |
Baltimore County |
158 MD 158 |
002.35 2.35 miles (3.78 km) |
end of state maintenance at Riverside Drive in Sparrows Point |
MD 151 in Edgemere |
Baltimore County |
159 MD 159 |
004.73 4.73 miles (7.61 km) |
Dead end |
US 40 |
Harford |
161 MD 161 |
005.38 5.38 miles (8.66 km) |
MD 155 near Level |
US 1 near Darlington |
Harford |
162 MD 162 |
002.31 2.31 miles (3.72 km) |
MD 176 near BWI Airport |
MD 170 in Linthicum |
Anne Arundel |
165 MD 165 |
020.38 20.38 miles (32.80 km) |
end of state maintenance in Baldwin |
PA 74 at the Pennsylvania border |
Harford, Baltimore County |
166 MD 166 |
|
I-195 in Arbutus, MD |
MD 144 in Catonsville |
Baltimore County |
168 MD 168 |
001.28 1.28 miles (2.06 km) |
MD 648 in North Linthicum, MD |
River Road in Linthicum, MD |
Anne Arundel |
169 MD 169 |
000.97 0.97 miles (1.56 km) |
Hammonds Ferry Road in Linthicum |
MD 648 |
Anne Arundel |
170 MD 170 |
012.98 12.98 miles (20.89 km) |
MD 175 in Odenton |
MD 2 near Baltimore |
Anne Arundel |
171 MD 171 |
001.54 1.54 miles (2.48 km) |
MD 2 |
MD 173 in Baltimore |
Anne Arundel, Baltimore City |
172 MD 172 |
|
Coast Guard station entrance |
MD 173 in Baltimore |
Anne Arundel, Baltimore City |
173 MD 173 |
013.73 13.73 miles (22.10 km) |
MD 2 in Baltimore |
end of state maintenance at Fort Smallwood Park |
Baltimore City, Anne Arundel |
174 MD 174 |
005.94 5.94 miles (9.56 km) |
entrance to Fort Meade |

BUS MD 3 in Glen Burnie |
Anne Arundel |
175 MD 175 |
017.01 17.01 miles (27.37 km) |
MD 3 in Millersville |
Little Patuxent Parkway in Columbia |
Howard, Anne Arundel |
176 MD 176 |
005.68 5.68 miles (9.14 km) |
beginning of state maintenance near MD 295 |
MD 648 in Glen Burnie |
Anne Arundel |
177 MD 177 |
010.92 10.92 miles (17.57 km) |
MD 2 in Pasadena |
end of state maintenance in Gibson Island |
Anne Arundel |
178 MD 178 |
008.06 8.06 miles (12.97 km) |
MD 450 |
Old Crain Highway (formerly MD 3) |
Anne Arundel |
179 MD 179 |
003.16 3.16 miles (5.09 km) |
MD 648 near Annapolis |
US 50/US 301 in Cape Saint Claire |
Anne Arundel |
180 MD 180 |
014.63 14.63 miles (23.54 km) |
US 340 in Sandy Hook |
MD 351 in Frederick |
Washington, Frederick |
182 MD 182 |
006.60 6.60 miles (10.62 km) |
MD 97 near Woodmont |
MD 108 near Norwood |
Montgomery |
185 MD 185 |
008.32 8.32 miles (13.39 km) |
MD 97 near Aspen Hill |
Connecticut Ave. in Washington, DC |
Montgomery |
186 MD 186 |
001.52 1.52 miles (2.45 km) |
DC border |
 |
Montgomery |
187 MD 187 |
005.32 5.32 miles (8.56 km) |
MD 355 near Rockville |
 MD 355/MD 410 at Bethesda |
Montgomery |
188 MD 188 |
003.25 3.25 miles (5.23 km) |
MD 187 in Bethesda |
MacArthur Blvd. in Glen Echo |
Montgomery |
189 MD 189 |
005.72 5.72 miles (9.21 km) |
MD 190 in Potomac |
MD 28 in Rockville |
Montgomery |
190 MD 190 |
015.88 15.88 miles (25.56 km) |
River Rd. in Washington, DC |
MD 112 at Seneca |
Montgomery |
191 MD 191 |
007.16 7.16 miles (11.52 km) |
MD 190 |
MD 355 |
Montgomery |
192 MD 192 |
002.82 2.82 miles (4.54 km) |
MD 185 in Kensington |
US 29 |
Montgomery |
193 MD 193 |
026.07 26.07 miles (41.96 km) |
MD 202 at Oak Grove |
MD 185 in Kensington |
Montgomery, Prince George's |
194 MD 194 |
023.87 23.87 miles (38.42 km) |
MD 26 in Ceresville |
PA 194 at the Pennsylvania state line |
Carroll, Frederick |
195 MD 195 |
001.90 1.90 miles (3.06 km) |
MD 193 near Langley Park |
Carroll St. in Washington, DC |
Montgomery |
197 MD 197 |
014.64 14.64 miles (23.56 km) |
US 301 in Bowie |
MD 198 in Laurel |
Prince George's |
198 MD 198 |
014.14 14.14 miles (22.76 km) |
MD 32 at Fort Meade |
MD 650 at Spencerville |
Montgomery, Prince George's, Anne Arundel |
| Route Number |
Length[1] |
Western / Southern Terminus |
Eastern / Northern Terminus |
Counties |
200 MD 200 |
013.8 13.8 miles (22.2 km) |
I-370 in Gaithersburg |
US 1 in Laurel |
Montgomery, Prince George's |
201 MD 201 |
009.40 9.40 miles (15.13 km) |
MD 212 in Beltsville |
DC 295 in Washington, DC |
Prince George's |
202 MD 202 |
013.92 13.92 miles (22.40 km) |
MD 450 in Bladensburg |
MD 725 in Upper Marlboro |
Prince George's |
208 MD 208 |
001.86 1.86 miles (2.99 km) |

U.S. Route 1 Alternate |
MD 500 |
Prince George's |
210 MD 210 |
021.27 21.27 miles (34.23 km) |
Naval Surface Weapons Center in Indian Head |
South Capitol Street at the Washington, D.C line |
Prince George's, Charles |
211 MD 211 |
|
DC Border |
MD 212 |
Prince George's |
212 MD 212 |
010.48 10.48 miles (16.87 km) |
DC Line |
MD 201 near Beltsville |
Prince George's |
213 MD 213 |
068.25 68.25 miles (109.84 km) |
MD 662 in Wye Mills |
PA 841 |
Cecil, Kent, Queen Anne's |
214 MD 214 |
024.97 24.97 miles (40.19 km) |
East Capitol Street at Washington, D.C. line |
Chesapeake Drive in Beverly Beach |
Prince George's, Anne Arundel |
216 MD 216 |
009.06 9.06 miles (14.58 km) |
MD 108 in Highland |
MD 198 in Laurel |
Howard, Prince George's |
218 MD 218 |
001.14 1.14 miles (1.83 km) |
MD 458 in Suitland |
DC border |
Prince George's |
222 MD 222 (Truck) |
011.36 11.36 miles (18.28 km) |
US 1/222 near Conowingo |
MD 7 in Perryville |
Cecil |
223 MD 223 |
012.65 12.65 miles (20.36 km) |
Livingston Road in Piscataway |
MD 4 in Melwood |
Prince George's |
224 MD 224 |
026.70 26.70 miles (42.97 km) |
MD 6 near Riverside |
MD 227 near Pomonkey |
Charles |
225 MD 225 |
010.59 10.59 miles (17.04 km) |
MD 210 in Potomac Heights |
US 301 near La Plata |
Charles |
227 MD 227 |
013.96 13.96 miles (22.47 km) |
Road end near Potomac River |
US 301 near White Plains |
Charles |
228 MD 228 |
006.86 6.86 miles (11.04 km) |
MD 210 in Accokeek |

MD 5 Bus MD 5/US 301 in Waldorf |
Prince George's, Charles |
229 MD 229 |
005.25 5.25 miles (8.45 km) |
MD 227 |
MD 228 |
Charles |
231 MD 231 |
016.39 16.39 miles (26.38 km) |
end of state maintenance in Burnt Store |
MD 765 in Prince Frederick |
Charles, Calvert |
234 MD 234 |
019.02 19.02 miles (30.61 km) |
US 301 |
MD 5 near Leonardtown |
Charles, St. Mary's |
235 MD 235 |
030.75 30.75 miles (49.49 km) |
MD 5 in Ridge |
MD 5 in Oraville |
St. Mary's |
236 MD 236 |
006.19 6.19 miles (9.96 km) |
MD 234 |
MD 5 |
St. Mary's |
237 MD 237 |
002.95 2.95 miles (4.75 km) |
MD 246 |
MD 235 |
St. Mary's |
238 MD 238 |
010.83 10.83 miles (17.43 km) |
MD 242 |
MD 5 |
St. Mary's |
239 MD 239 |
001.64 1.64 miles (2.64 km) |
Dead End |
MD 242 |
St. Mary's |
242 MD 242 |
012.80 12.80 miles (20.60 km) |
Beach Road near Coltons Point |
MD 5 |
St. Mary's |
243 MD 243 |
004.62 4.62 miles (7.44 km) |
End of state maintenance |
MD 5 |
St. Mary's |
244 MD 244 |
010.48 10.48 miles (16.87 km) |
MD 5 |
MD 249 |
St. Mary's |
245 MD 245 |
007.55 7.55 miles (12.15 km) |
MD 5 in Leonardtown |
End of state maintenance |
St. Mary's |
246 MD 246 |
003.35 3.35 miles (5.39 km) |
MD 5 |
Patuxent Naval Air Station |
St. Mary's |
247 MD 247 |
002.89 2.89 miles (4.65 km) |
MD 5 |
End of state maintenance, near MD 235 |
St. Mary's |
249 MD 249 |
009.84 9.84 miles (15.84 km) |
MD 5 |
End of state maintenance |
St. Mary's |
253 MD 253 |
001.34 1.34 miles (2.16 km) |
MD 2 |
MD 214 |
Anne Arundel |
254 MD 254 |
001.25 1.25 miles (2.01 km) |
End of road |
MD 257 |
Charles |
255 MD 255 |
004.21 4.21 miles (6.78 km) |
MD 2 near Owensville |
End of state mainenance near Galesville |
Anne Arundel |
256 MD 256 |
005.28 5.28 miles (8.50 km) |
MD 2 |
MD 468 |
Anne Arundel |
257 MD 257 |
009.75 9.75 miles (15.69 km) |
US 301 |
MD 254 |
Charles |
258 MD 258 |
007.13 7.13 miles (11.47 km) |
MD 4 |
MD 256 |
Anne Arundel |
259 MD 259 |
002.67 2.67 miles (4.30 km) |
MD 794 |
MD 408 |
Anne Arundel |
260 MD 260 |
008.68 8.68 miles (13.97 km) |
MD 4 in Lyons Creek |
MD 261 in Chesapeake Beach |
Calvert, Anne Arundel |
261 MD 261 |
012.86 12.86 miles (20.70 km) |
MD 2 |
MD 263 |
Anne Arundel, Calvert |
262 MD 262 |
004.48 4.48 miles (7.21 km) |
End of road |
MD 4 |
Calvert |
263 MD 263 |
006.17 6.17 miles (9.93 km) |
MD 2/MD 4 |
End of road |
Calvert |
264 MD 264 |
006.66 6.66 miles (10.72 km) |
MD 2/MD 4 |
Road end at Broomes Island |
Calvert |
265 MD 265 |
001.75 1.75 miles (2.82 km) |
MD 264 |
End of state maintenance |
Calvert |
267 MD 267 |
001.90 1.90 miles (3.06 km) |
MD 7 in Charlestown |
MD 7 in Charlestown |
Cecil |
268 MD 268 |
000.95 0.95 miles (1.53 km) |
MD 7 in Elkton |
MD 279 in Elkton |
Cecil |
269 MD 269 |
|
MD 222 |
MD 272 |
Cecil |
270 MD 270 |
002.16 2.16 miles (3.48 km) |

MD 3 Bus. |
MD 648 |
Anne Arundel |
272 MD 272 |
020.67 20.67 miles (33.27 km) |
entrance to Elk Neck State Park |
PA 272 at the Pennsylvania border |
Cecil |
273 MD 273 |
016.74 16.74 miles (26.94 km) |
US 1 west of Rising Sun |
DE 273 at the Delaware border |
Cecil |
274 MD 274 (Truck) |
007.35 7.35 miles (11.83 km) |
MD 272 north of North East |
MD 273 in Rising Sun |
Cecil |
275 MD 275 |
002.22 2.22 miles (3.57 km) |
 MD 222 & MD 824 in Perryville |
MD 276 north of Perryville |
Cecil |
276 MD 276 |
007.85 7.85 miles (12.63 km) |
MD 222 in Port Deposit |
US 1 near Rising Sun |
Cecil |
277 MD 277 |
002.51 2.51 miles (4.04 km) |
end of state maintenance in Elk Mills |
MD 279 northeast of Elkton |
Cecil |
279 MD 279 |
004.95 4.95 miles (7.97 km) |
US 40 in Elkton |
DE 2 at the Delaware border |
Cecil |
281 MD 281 |
002.12 2.12 miles (3.41 km) |
MD 7 in Elkton |
Delaware border |
Cecil |
282 MD 282 |
012.43 12.43 miles (20.00 km) |
end of state maintenance in Crystal Beach |
DE 299 at the Delaware border |
Cecil |
284 MD 284 |
000.25 0.25 miles (0.40 km) |
MD 285 in Chesapeake City |
MD 285 in Chesapeake City |
Cecil |
285 MD 285 |
002.43 2.43 miles (3.91 km) |
MD 213 in Chesapeake City |
Delaware border |
Cecil |
286 MD 286 |
002.09 2.09 miles (3.36 km) |
MD 537 in Chesapeake City |
DE 286 at the Delaware border |
Cecil |
287 MD 287 |
002.88 2.88 miles (4.63 km) |
MD 313 in Goldsboro |
DE 10 at the Delaware border east of Goldsboro |
Caroline |
288 MD 288 |
003.33 3.33 miles (5.36 km) |
end of state maintenance in Piney Neck |
MD 20 in Rock Hall |
Kent |
289 MD 289 |
008.83 8.83 miles (14.21 km) |
end of state maintenance in Cliffs City |
MD 20 in Chestertown |
Kent |
290 MD 290 |
017.20 17.20 miles (27.68 km) |
MD 300 in Dudley Corners |
MD 299 in Sassafras |
Kent, Queen Anne's |
291 MD 291 |
018.57 18.57 miles (29.89 km) |
MD 20 in Chestertown |
DE 6 at the Delaware border |
Kent |
292 MD 292 |
004.61 4.61 miles (7.42 km) |
MD 298 in Still Pond |
end of state maintenance in Betterton |
Kent |
295 MD 295 |
032.52 32.52 miles (52.34 km) |
US 50 in Cheverly, Maryland |
US 40 in Baltimore |
Baltimore City, Baltimore County, Anne Arundel, Prince George's |
297 MD 297 |
003.59 3.59 miles (5.78 km) |
MD 213 north of Chestertown |
MD 298 in Worton |
Kent |
298 MD 298 |
020.14 20.14 miles (32.41 km) |
MD 20 in Fairlee |
MD 291 near Chesterville |
Kent |
299 MD 299 |
005.18 5.18 miles (8.34 km) |
 MD 313 & MD 330 in Massey |
US 301 in Warwick |
Cecil, Kent |
| Route Number |
Length[1] |
Western / Southern Terminus |
Eastern / Northern Terminus |
Counties |
300 MD 300 |
013.55 13.55 miles (21.81 km) |
MD 213 near Church Hill |
DE 300 at the Delaware border |
Queen Anne's |
302 MD 302 |
010.21 10.21 miles (16.43 km) |
US 301 west of Barclay |
DE 11 at the Delaware border east of Templeville |
Queen Anne's, Caroline |
303 MD 303 |
004.20 4.20 miles (6.76 km) |
MD 309 in Cordova |
MD 404 in Queen Anne |
Talbot |
304 MD 304 |
015.23 15.23 miles (24.51 km) |
end of state maintenance west of Centreville |
MD 312 in Bridgetown |
Queen Anne's, Caroline |
305 MD 305 |
005.08 5.08 miles (8.18 km) |
MD 213 in Centreville |
end of state maintenance in Hope |
Queen Anne's |
306 MD 306 |
004.13 4.13 miles (6.65 km) |
end of state maintenance in Federalsburg |
Delaware line |
Caroline |
307 MD 307 |
006.05 6.05 miles (9.74 km) |
MD 392 in Hurlock |
end of state maintenance in Federalsburg |
Dorchester, Caroline |
308 MD 308 |
000.12 0.12 miles (0.19 km) |
MD 313 in Federalsburg |
end of state maintenance in Federalsburg |
Caroline |
309 MD 309 |
018.50 18.50 miles (29.77 km) |
US 50 in Easton |
MD 213 south of Centreville |
Queen Anne's, Talbot |
310 MD 310 |
003.96 3.96 miles (6.37 km) |
MD 213 in Cayots Corner |
Delaware border |
Cecil |
311 MD 311 |
006.11 6.11 miles (9.83 km) |
MD 313 in Goldsboro |
MD 454 in Marydel |
Caroline |
312 MD 312 |
011.41 11.41 miles (18.36 km) |
MD 404 south of Ridgely |
MD 313 in Baltimore Corner |
Caroline |
313 MD 313 |
075.72 75.72 miles (121.86 km) |
US 50 in Mardela Springs |
MD 213 in Galena |
Kent, Queen Anne's, Caroline, Dorchester, Wicomico |
314 MD 314 |
004.93 4.93 miles (7.93 km) |
MD 480 in Greensboro |
DE 12 at the Delaware border in Whiteleysburg |
Caroline |
315 MD 315 |
003.13 3.13 miles (5.04 km) |
MD 318 in Federalsburg |
MD 313 in Federalsburg |
Caroline |
316 MD 316 |
002.67 2.67 miles (4.30 km) |
MD 279 in Elkton |
MD 277 near Elk Mills |
Cecil |
317 MD 317 |
004.78 4.78 miles (7.69 km) |
MD 313 north of Denton |
DE 14 at the Delaware border in Burrsville |
Caroline |
318 MD 318 |
011.32 11.32 miles (18.22 km) |
 MD 16 & MD 331 in Preston |
DE 18 at the Delaware border |
Caroline, Dorchester |
320 MD 320 |
002.84 2.84 miles (4.57 km) |
DC Border |
MD 650 |
Montgomery, Prince George's |
322 MD 322 |
005.12 5.12 miles (8.24 km) |
US 50 south of Easton |
US 50 north of Easton |
Talbot |
327 MD 327 |
000.36 0.36 miles (0.58 km) |
end of state maintenance in Perryville |
MD 7 in Perryville |
Cecil |
328 MD 328 |
015.24 15.24 miles (24.53 km) |
US 50 in Easton |
MD 404 in Denton |
Talbot, Caroline |
329 MD 329 |
003.29 3.29 miles (5.29 km) |
MD 33 west of Royal Oak |
MD 33 east of Royal Oak |
Talbot |
330 MD 330 |
003.72 3.72 miles (5.99 km) |
 MD 299 & MD 313 in Massey |
Delaware border |
Kent |
331 MD 331 |
029.25 29.25 miles (47.07 km) |
US 50 in Vienna |
end of state maintenance in Easton |
Talbot, Caroline, Dorchester |
332 MD 332 |
001.07 1.07 miles (1.72 km) |
DC border |
MD 214 |
Prince George's |
333 MD 333 |
009.79 9.79 miles (15.76 km) |
end of state maintenance in Oxford |
Washington Street in Easton |
Talbot |
334 MD 334 |
001.03 1.03 miles (1.66 km) |
MD 322 in Easton |
end of state maintenance in Easton |
Talbot |
335 MD 335 |
016.36 16.36 miles (26.33 km) |
end of state maintenance in Honga |
MD 16 in Church Creek |
Dorchester |
336 MD 336 |
004.87 4.87 miles (7.84 km) |
MD 335 in Crossroads |
end of state maintenance in Lakesville |
Dorchester |
337 MD 337 |
003.41 3.41 miles (5.49 km) |
MD 5 in Camp Springs |
MD 4 near Forestville |
Prince George's |
341 MD 341 |
001.25 1.25 miles (2.01 km) |
MD 16 in Cambridge |
MD 343 in Cambridge |
Dorchester |
342 MD 342 |
002.82 2.82 miles (4.54 km) |
MD 310 in Saint Augustine |
MD 537 in Chesapeake City |
Cecil |
343 MD 343 |
011.29 11.29 miles (18.17 km) |
end of state maintenance in Hudson |
US 50 in Cambridge |
Dorchester |
344 MD 344 |
002.16 2.16 miles (3.48 km) |
MD 224 |
MD 6 |
Charles |
346 MD 346 |
023.72 23.72 miles (38.17 km) |
BUS US 50 in Salisbury |
US 50 in Berlin |
Wicomico, Worcester |
347 MD 347 |
006.92 6.92 miles (11.14 km) |
MD 349 in Quantico |
US 50 in Hebron |
Wicomico |
348 MD 348 |
001.39 1.39 miles (2.24 km) |
MD 313 in Sharptown |
DE 24 at the Delaware border |
Wicomico |
349 MD 349 |
022.32 22.32 miles (35.92 km) |
end of state maintenance in Nanticoke |
BUS US 50 in Salisbury |
Wicomico |
350 MD 350 |
011.80 11.80 miles (18.99 km) |
end of state maintenance in Salisbury |
MD 354 in Powellville |
Wicomico |
351 MD 351 |
004.62 4.62 miles (7.44 km) |
end of state maintenance near Church Hill |
MD 180 in Frederick |
Frederick |
352 MD 352 |
010.03 10.03 miles (16.14 km) |
MD 349 in Coxs Corner |
MD 349 in Catchpenny |
Wicomico |
353 MD 353 |
004.60 4.60 miles (7.40 km) |
MD 346 in Pittsville |
  DE 26 & DE/MD 54 at the Delaware border |
Wicomico |
354 MD 354 |
014.98 14.98 miles (24.11 km) |
MD 12 in Indiantown |
US 50 in Willards |
Wicomico, Worcester |
355 MD 355 |
041.04 41.04 miles (66.05 km) |
Wisconsin Avenue at District of Columbia line |
US 15 near Frederick |
Frederick, Montgomery |
358 MD 358 |
001.13 1.13 miles (1.82 km) |
MD 413 in Crisfield |
end of state maintenance at Janes Island State Park |
Somerset |
359 MD 359 |
001.09 1.09 miles (1.75 km) |
road end in Pocomoke City |
MD 756 in Pocomoke City |
Worcester |
361 MD 361 |
005.62 5.62 miles (9.04 km) |
end of state maintenance near Fairmount |
MD 413 in Westover |
Somerset |
362 MD 362 |
006.23 6.23 miles (10.03 km) |
end of state maintenance east of Mount Vernon |
US 13 in Princess Anne |
Somerset |
363 MD 363 |
018.30 18.30 miles (29.45 km) |
road end in Wenona |
US 13 in Princess Anne |
Somerset |
364 MD 364 |
005.43 5.43 miles (8.74 km) |
US 13 near Pocomoke City |
end of state maintenance in the Pocomoke State Forest |
Worcester, Somerset |
365 MD 365 |
006.29 6.29 miles (10.12 km) |
BUS US 113 in Snow Hill |
road end in Public Landing |
Worcester |
366 MD 366 |
011.17 11.17 miles (17.98 km) |
BUS US 13 in Pocomoke City |
road end in George Island Landing |
Worcester |
367 MD 367 |
002.60 2.60 miles (4.18 km) |
US 113 in Bishop |
Delaware border |
Worcester |
368 MD 368 |
000.28 0.28 miles (0.45 km) |
MD 367 in Bishopville |
end of state maintenance in Bishopville |
Worcester |
370 MD 370 |
001.58 1.58 miles (2.54 km) |
MD 33 west of Easton |
end of state maintenance in Unionville |
Talbot |
371 MD 371 |
004.27 4.27 miles (6.87 km) |
end of state maintenance in Cedar Hall |
end of state maintenance in Pocomoke City |
Worcester |
372 MD 372 |
002.86 2.86 miles (4.60 km) |
MD 166 in Arbutus, MD |
US 1 in Baltimore |
Baltimore County, Baltimore City |
373 MD 373 |
008.18 8.18 miles (13.16 km) |
MD 210 in Accokeek |
MD 381 in Brandywine |
Prince George's |
374 MD 374 |
009.98 9.98 miles (16.06 km) |
MD 354 in Powellville |
MD 818 in Berlin |
Wicomico, Worcester |
375 MD 375 |
000.06 0.06 miles (0.097 km) |
MD 818 in Berlin |
MD 377 in Berlin |
Worcester |
376 MD 376 |
004.56 4.56 miles (7.34 km) |
MD 818 in Berlin |
MD 611 near Sinepuxent |
Worcester |
377 MD 377 |
000.78 0.78 miles (1.26 km) |
MD 818 in Berlin |
MD 346 in Berlin |
Worcester |
378 MD 378 |
001.49 1.49 miles (2.40 km) |
MD 528 in Ocean City |
MD 528 in Ocean City |
Worcester |
380 MD 380 |
001.56 1.56 miles (2.51 km) |
end of state maintenance in Lawsonia |
end of state maintenance in Crisfield |
Somerset |
381 MD 381 |
015.91 15.91 miles (25.60 km) |
MD 5 |
MD 231 |
Prince George's, Charles |
382 MD 382 |
015.34 15.34 miles (24.69 km) |
Charles County line |
US 301 |
Prince George's |
383 MD 383 |
005.48 5.48 miles (8.82 km) |
MD 180 |
MD 17 |
Frederick |
384 MD 384 |
000.53 0.53 miles (0.85 km) |
MD 390 in Silver Spring |
US 29/MD 97 in Silver Spring |
Montgomery |
387 MD 387 |
001.75 1.75 miles (2.82 km) |
MD 450 |
End of state maintenance |
Anne Arundel |
388 MD 388 |
002.38 2.38 miles (3.83 km) |
MD 675 in Princess Anne |
end of state maintenance east of Princess Anne |
Somerset |
390 MD 390 |
001.09 1.09 miles (1.75 km) |
District of Columbia border in Silver Spring |
MD 97 in Silver Spring |
Montgomery |
392 MD 392 |
013.54 13.54 miles (21.79 km) |
MD 16 in East New Market |
DE 20 at the Delaware border in Reliance |
Dorchester |
393 MD 393 |
000.63 0.63 miles (1.01 km) |
MD 2 |
MD 450 |
Anne Arundel |
396 MD 396 |
002.210 2.210 miles (3.557 km) |
MD 614 in Bethesda |
Westmoreland Circle in Washington, D.C. |
Montgomery |