< Maryland
Maryland/Highway Relations
State Routes
Set network=US:MD. Where a route is one-way, use one relation with 
north/south/east/west as appropriate. The signposted direction, where known, is in the direction column.
| Route number | Relation | Direction | Counties | Progress | Comments |
|---|---|---|---|---|---|
| 2 | 1316418 1316418 | N/S | Calvert, Anne Arundel, Baltimore City | Complete | Well signed in Baltimore City. (City signage is not guaranteed) |
| 3 | 1314017 1314017 | N/S | Prince George's, Anne Arundel | Complete | |
| 4 | 1320731 1320731 | N/S | Saint Mary's, Calvert, Anne Arundel, Prince George's | Complete | |
| 5 | 1320733 1320733 | N/S | Saint Mary's, Charles, Prince George's | Complete | |
| 5 Business | 1598890 1598890 | N/S | Saint Mary's, Charles | Complete | 3 separate pieces (Waldorf, Hughesville, Leonardtown) |
| 6 | 1320744 1320744 | E/W | Charles, Saint Mary's | Complete | |
| 7 | 1341538 1341538 | E/W | Baltimore, Harford, Cecil | Complete | Non-contiguous. Eastbound-only section in Elkton (Westbound street is not part of the route). |
| 8 | 1325343 1325343 | N/S | Queen Anne's | Complete | |
| 10 | 1341172 1341172 | N/S | Anne Arundel | Complete | |
| 12 | 1341568 1341568 | N/S | Worcester, Wicomico | Complete | |
| 14 | 1319509 1319509 | E/W | Dorchester | Complete | |
| 16 | 1319510 1319510 | E/W | Dorchester, Caroline | Complete | |
| 17 | 1341572 1341572 | N/S | Frederick | Complete | |
| 18 | 1341587 1341587 | E/W | Queen Anne's | Complete | Non-contiguous. Uncrossable intersections with US 301. |
| 19 | 1346122 1346122 | E/W | Queen Anne's | Complete | |
| 20 | 1314959 1314959 | N/S | Kent | Complete | |
| 21 | 1314958 1314958 | E/W | Kent | Complete | |
| 22 | 1317724 1317724 | E/W | Harford | Complete | |
| 23 | 1317723 1317723 | N/S/E/W* | Harford | Complete | *N/S west of MD 165, E/W between 165 and US 1. Relation includes de facto concurrency with MD 165; this section signed as "TO [MD 23]". |
| 24 | 1317739 1317739 | N/S | Harford | Complete | Interchange under construction near MD 924 near I-95, under auspices of MdTA. |
| 25 | 1323707 1323707 | N/S | Baltimore City, Baltimore | Complete | Signed in Baltimore City. |
| 26 | 1346077 1346077 | E/W | Frederick, Carroll, Baltimore, Baltimore City | Complete | |
| 27 | 1354448 1354448 | N/S | Montgomery, Howard, Frederick, Carroll | Complete | Improved connector between I-270 and MD 355 is not part of the route. |
| 28 | 1346452 1346452 | E/W | Frederick, Montgomery | Complete | |
| 30 | 1314915 1314915 | N/S | Baltimore, Carroll | Complete | |
| 30 Business | 1599955 1599955 | N/S | Carroll | Complete | |
| 31 | 1346159 1346159 | E/W | Frederick, Carroll | Complete | |
| 32 | 1354489 1354489 | N/S/E/W | Anne Arundel, Howard, Carroll | Complete | *N/S north of MD 108, E/W on motorway portion east of same. S becomes E, W becomes N. |
| 33 | 1315121 1315121 | E/W | Talbot | Complete | |
| 34 | 1346148 1346148 | E/W | Washington | Complete | |
| 35 | 1317854 1317854 | N/S | Allegany | Complete | |
| 36 | 1317864 1317864 | N/S | Allegany | Complete | |
| 38 | 1315283 1315283 | N/S | Garrett | Complete | |
| 39 | 1317910 1317910 | E/W | Garrett | Complete | |
| 41 | 1341698 1341698 | N/S | Baltimore City, Baltimore | Complete | Unsigned in Baltimore City. |
| 42 | 1346445 1346445 | N/S | Garrett | Complete | |
| 43 | 1313049 1313049 | E/W | Baltimore | Complete | |
| 45 | 1317713 1317713 | N/S | Baltimore City, Baltimore | Complete | |
| 47 | 1317862 1317862 | N/S | Allegany | Complete | |
| 49 | 1346487 1346487 | E/W | Allegany | Complete | |
| 51 | 1346495 1346495 | N/S | Allegany | Complete | |
| 53 | 1346506 1346506 | N/S | Allegany | Complete | Access from US 220 to northbound MD 53 at Cresaptown is via MD 636 (route becomes one-way southbound). |
| 54 | 1598812 1598812 | E/W | Wicomico | Complete | Straddles Delaware border. Maintenance changes between the two states. |
| 55 | 1597235 1597235 | N/S | Allegany | Complete | |
| 56 | 1597517 1597517 | E/W | Washington | Complete | |
| 57 | 1597519 1597519 | N/S | Washington | Complete | |
| 58 | 1597512 1597512 | E/W | Washington | Complete | Not signed in Hagerstown |
| 60 | 1597513 1597513 | N/S | Washington | Complete | Not signed in Hagerstown |
| 61 | 1346496 1346496 | N/S | Allegany | Complete | Not signed |
| 62 | 1597524 1597524 | N/S | Washington | Complete | |
| 63 | 1597526 1597526 | N/S | Washington | Complete | |
| 64 | 1597522 1597522 | N/S | Washington | Complete | Signed in Hagerstown |
| 65 | 1597520 1597520 | N/S | Washington | Complete | Not signed in Hagerstown |
| 66 | 1597514 1597514 | N/S | Washington | Complete | |
| 67 | 1597521 1597521 | N/S | Washington | Complete | |
| 68 | 1597513 1597513 | E/W | Washington | Complete | Not to be confused with nearby Interstate 68. |
| 70 | 1600202 1600202 | N/S | Anne Arundel | Complete | |
| 75 | 1600102 1600102 | N/S | Carroll, Frederick | Complete | |
| 76 | 1600106 1600106 | N/S | Frederick | Complete | |
| 77 | 1600105 1600105 | E/W | Washington, Frederick, Carroll | Complete | |
| 79 | 1341580 1341580 | N/S | Frederick | Complete | |
| 79 | 1600093 1600093 | N/S | Frederick | Complete | Accidentally two relations for this route. |
| 80 | 1600970 1600970 | E/W | Frederick, Montgomery | Complete | |
| 84 | 1599949 1599949 | N/S | Carroll | Complete | |
| 85 | 1600101 1600101 | N/S | Frederick | Complete | |
| 86 | 1346480 1346480 | N/S | Carroll | Complete | |
| 88 | 1323714 1323714 | E/W | Carroll, Baltimore | Complete | |
| 90 | 1313077 1313077 | E/W | Worcester | Complete | |
| 91 | 1314910 1314910 | N/S | Carroll, Baltimore | Complete | |
| 94 | 1346324 1346324 | N/S | Howard | Complete | |
| 97 | 1346204 1346204 | N/S | Montgomery, Howard, Carroll | Complete | |
| 99 | 1346317 1346317 | E/W | Howard | Complete | |
| 100 | 1346289 1346289 | E/W | Howard, Anne Arundel | Complete | |
| 103 | 1288031 1288031 | N/S | Howard | Complete | |
| 104 | 1288030 1288030 | E/W | Howard | Complete | |
| 107 | 1314939 1314939 | E/W | Montgomery | Complete | |
| 108 | 961626 961626 | E/W | Montgomery, Howard | Complete | |
| 109 | 1314940 1314940 | N/S | Montgomery | Complete | |
| 112 | 1346456 1346456 | E/W | Montgomery | Complete | |
| 115 | 1444229 1444229 | E/W | Montgomery | Complete | |
| 117 | 1444305 1444305 | E/W | Montgomery | Complete | |
| 118 | 1444303 1444303 | N/S | Montgomery | Complete | |
| 119 | 1444288 1444288 | N/S | Montgomery | Complete | |
| 121 | 1444306 1444306 | N/S | Montgomery | Complete | Route still follows old road east of I-270 to MD 355. |
| 122 | 1346072 1346072 | E/W | Baltimore | Complete | |
| 124 | 1444250 1444250 | N/S | Montgomery | Complete | |
| 125 | 1314909 1314909 | E/W | Howard, Baltimore | Complete | Floating route; does not reach MD 26. |
| 128 | 1314916 1314916 | E/W | Baltimore | Complete | |
| 129 | 1346374 1346374 | N/S | Baltimore City, Baltimore | Complete | Partially signed in Baltimore City; signage has been removed with time. Sign at Druid Lake Park Drive & Druid Hill Avenue southbound now says "DRUID LAKE PARK DR" where there used to be a MD 129 sign. Does not extend south of US 40, as found in other maps. These are officially part of MD 295. |
| 130 | 1346366 1346366 | E/W | Baltimore | Complete | |
| 131 | 1323603 1323603 | E/W | Baltimore | Complete | |
| 132 | 1599609 1599609 | E/W | Harford | Complete | Two pieces in Aberdeen. |
| 133 | 1270149 1270149 | E/W | Baltimore | Complete | Western part of same road is MD 125. |
| 134 | 1313069 1313069 | N/S | Baltimore | Complete | |
| 135 | 1597297 1597297 | E/W | Garrett, Allegany | Complete | |
| 136 | 1317738 1317738 | N/S | Harford | Complete | |
| 137 | 1320694 1320694 | E/W | Baltimore | Complete | |
| 138 | 1320695 1320695 | E/W | Baltimore, Harford | Complete | |
| 139 | 1600914 1600914 | N/S | Baltimore City, Baltimore | Complete | Signed northbound in Baltimore City. No official route southbound in Baltimore City (de facto southbound partner is Saint Paul Street). |
| 140 | 1346404 1346404 | N/S/E/W* | Baltimore City, Baltimore, Carroll, Frederick | Complete | *N/S used south of Reisterstown, E/W used west of Reisterstown. N becomes W, E becomes S. Signed in Baltimore City. |
| 144 | 1600108 1600108 | E/W | Allegany, Washington, Frederick, Carroll, Howard, Baltimore, Baltimore City | Complete | Parts of old US 40 west of Baltimore. Multiple parts. |
| 145 | 1346351 1346351 | E/W | Baltimore | Complete | |
| 146 | 1346340 1346340 | N/S | Baltimore, Harford | Complete | |
| 147 | 1320653 1320653 | N/S | Baltimore City, Baltimore, Harford | Complete | Signed in Baltimore City. |
| 150 | 1313050 1313050 | E/W | Baltimore City, Baltimore | Complete | Unsigned in Baltimore City, except on MdTA-maintained overhead exit signs on I-95. |
| 151 | 1313064 1313064 | N/S | Baltimore City, Baltimore | Complete | Signed in Baltimore City. |
| 152 | 1346331 1346331 | N/S | Harford | Complete | |
| 155 | 1317725 1317725 | E/W | Harford | Complete | |
| 156 | 1317726 1317726 | E/W | Harford | Complete | |
| 157 | 1313068 1313068 | N/S | Baltimore | Complete | |
| 158 | 1313067 1313067 | E/W | Baltimore | Complete | |
| 159 | 1317922 1317922 | E/W | Harford | Complete | |
| 161 | 1317735 1317735 | N/S | Harford | Complete | |
| 162 | 1314563 1314563 | N/S | Anne Arundel | Complete | |
| 165 | 1346548 1346548 | N/S | Baltimore, Harford | Complete | |
| 166 | 1346060 1346060 | N/S | Baltimore | Complete | |
| 168 | 1346023 1346023 | E/W | Anne Arundel | Complete | |
| 169 | 1314569 1314569 | E/W | Anne Arundel | Complete | |
| 170 | 1314567 1314567 | N/S | Anne Arundel | Complete | |
| 171 | 1341295 1341295 | E/W | Anne Arundel, Baltimore City | Complete | Unsigned in Baltimore City. (Perhaps too short to matter) |
| 172 | 1341306 1341306 | N/S | Anne Arundel, Baltimore City | Complete | An unmarked road, former entrance to Coast Guard Yard. Still officially exists. |
| 173 | 1341296 1341296 | E/W | Baltimore City, Anne Arundel | Complete | Unsigned in Baltimore City. Curtis Creek drawbridge currently under construction. |
| 174 | 1345981 1345981 | E/W | Anne Arundel | Complete | Officially ends at (not gated) property line of Fort Meade, and does not continue west on Reece Road to MD 175. |
| 175 | 1345970 1345970 | N/S | Anne Arundel, Howard | Complete | |
| 176 | 1314561 1314561 | E/W | Anne Arundel | Complete | |
| 177 | 1346308 1346308 | E/W | Anne Arundel | Complete | |
| 178 | 1600189 1600189 | N/S | Anne Arundel | Complete | |
| 179 | 1600179 1600179 | E/W | Anne Arundel | Complete | |
| 180 | 1600103 1600103 | E/W | Washington, Frederick | Complete | Old US 340 |
| 181 | 1600172 1600172 | N/S | Anne Arundel | Complete | Only consists of Spa Creek Drawbridge in Annapolis. |
| 182 | 1600973 1600973 | N/S | Montgomery | Complete | |
| 185 | 1600974 1600974 | N/S | Montgomery | Complete | |
| 186 | 1600960 1600960 | N/S | Montgomery | Complete | |
| 187 | 1600965 1600965 | N/S | Montgomery | Complete | |
| 188 | 1600963 1600963 | E/W | Montgomery | Complete | |
| 189 | 1600958 1600958 | N/S | Montgomery | Complete | |
| 190 | 1600976 1600976 | E/W | Montgomery | Complete | |
| 191 | 1600967 1600967 | E/W | Montgomery | Complete | |
| 192 | 1600962 1600962 | E/W | Montgomery | Complete | |
| 193 | 1601119 1601119 | E/W | Montgomery, Prince George's | Complete | |
| 194 | 1600094 1600094 | N/S | Frederick, Carroll | Complete | |
| 195 | 1600956 1600956 | N/S | Montgomery | Complete | |
| 197 | 1601124 1601124 | N/S | Prince George's | Complete | |
| 198 | 1346471 1346471 | E/W | Montgomery, Prince George's, Anne Arundel | Complete | |
| 200 | 1444211 1444211 | E/W | Montgomery | Complete | New Intercounty Connector |
| 201 | 1314034 1314034 | N/S | Prince George's | Complete | |
| 202 | 1601110 1601110 | N/S | Prince George's | Complete | |
| 208 | 1314028 1314028 | N/S | Prince George's | Complete | |
| 210 | 1601121 1601121 | N/S | Prince George's, Charles | Complete | |
| 212 | 1314032 1314032 | N/S | Prince George's | Complete | |
| 213 | 1320519 1320519 | N/S | Queen Anne's, Kent, Cecil | Complete | |
| 214 | 1601108 1601108 | E/W | Prince George's, Anne Arundel | Complete | |
| 216 | 1600913 1600913 | N/S | Howard, Prince George's | Complete | |
| 218 | 1346538 1346538 | N/S | Prince George's | Complete | |
| 219 | 1597286 1597286 | N/S | Garrett | Complete | Small piece of proposed US 219 bypass east of Oakland. |
| 222 | 1597619 1597619 | N/S | Cecil | Complete | |
| 222 Truck | 1731960 1731960 | N/S | Cecil | Complete | |
| 223 | 1601128 1601128 | N/S | Charles, Prince George's | Complete | |
| 224 | 1598939 1598939 | N/S | Charles, Prince George's | Complete | |
| 225 | 1598930 1598930 | N/S | Charles | Complete | |
| 227 | 1598941 1598941 | N/S | Charles | Complete | |
| 228 | 1598946 1598946 | E/W | Charles | Complete | |
| 229 | 1598928 1598928 | N/S | Charles | Complete | |
| 231 | 1598940 1598940 | E/W | Charles, Calvert | Complete | |
| 234 | 1598948 1598948 | E/W | Charles, Saint Mary's | Complete | |
| 235 | 1598881 1598881 | N/S | Saint Mary's | Complete | |
| 236 | 1598894 1598894 | N/S | Saint Mary's | Complete | |
| 237 | 1598899 1598899 | N/S | Saint Mary's | Complete | |
| 238 | 1598884 1598884 | N/S | Saint Mary's | Complete | |
| 239 | 1598891 1598891 | E/W | Saint Mary's | Complete | |
| 242 | 1598880 1598880 | N/S | Saint Mary's | Complete | |
| 243 | 1598889 1598889 | N/S | Saint Mary's | Complete | |
| 244 | 1598901 1598901 | E/W | Saint Mary's | Complete | |
| 245 | 1598885 1598885 | N/S | Saint Mary's | Complete | |
| 246 | 1598893 1598893 | E/W | Saint Mary's | Complete | |
| 247 | 1598887 1598887 | E/W | Saint Mary's | Complete | |
| 249 | 1598896 1598896 | N/S | Saint Mary's | Complete | |
| 253 | 1600168 1600168 | N/S | Anne Arundel | Complete | |
| 254 | 1598950 1598950 | N/S | Charles | Not Complete | |
| 255 | 1600182 1600182 | E/W | Anne Arundel | Complete | |
| 256 | 1600178 1600178 | N/S | Anne Arundel | Complete | |
| 257 | 1598932 1598932 | N/S | Charles | Not Complete | |
| 258 | 1600171 1600171 | E/W | Anne Arundel | Complete | |
| 259 | 1600176 1600176 | E/W | Anne Arundel | Complete | |
| 260 | 1598935 1598935 | E/W | Anne Arundel, Calvert | Complete | |
| 261 | 1600167 1600167 | N/S | Anne Arundel, Calvert | Complete | |
| 262 | 1598929 1598929 | E/W | Calvert | Complete | |
| 263 | 1598945 1598945 | E/W | Calvert | Complete | |
| 264 | 1313084 1313084 | N/S | Calvert | Complete | |
| 265 | 1313085 1313085 | N/S | Calvert | Complete | |
| 267 | 1341563 1341563 | E/W | Cecil | Complete | |
| 268 | 1597610 1597610 | N/S | Cecil | Complete | |
| 270 | 1600195 1600195 | N/S | Anne Arundel | Complete | |
| 272 | 1597624 1597624 | N/S | Cecil | Complete | |
| 273 | 1597613 1597613 | E/W | Cecil | Complete | |
| 274 | 1597623 1597623 | N/S | Cecil | Complete | |
| 275 | 1597614 1597614 | N/S | Cecil | Complete | |
| 276 | 1597614 1597614 | N/S | Cecil | Complete | |
| 277 | 1597612 1597612 | E/W | Cecil | Complete | |
| 279 | 1597607 1597607 | E/W | Cecil | Complete | |
| 281 | 1341564 1341564 | E/W | Cecil | Complete | |
| 282 | 1597606 1597606 | E/W | Cecil | Complete | |
| 284 | 1597621 1597621 | N/S | Cecil | Complete | |
| 285 | 1597618 1597618 | E/W | Cecil | Complete | |
| 286 | 1597608 1597608 | E/W | Cecil | Complete | |
| 287 | 1598435 1598435 | E/W | Caroline | Complete | |
| 288 | 1597696 1597696 | N/S | Kent | Complete | |
| 289 | 1597695 1597695 | N/S | Kent | Complete | |
| 290 | 1597698 1597698 | N/S | Kent, Queen Anne's | Complete | |
| 291 | 1597701 1597701 | E/W | Kent | Complete | |
| 292 | 1597688 1597688 | N/S | Kent | Complete | |
| 295 | 1600915 1600915 | N/S | Anne Arundel, Baltimore, Baltimore City | Complete | |
| 297 | 1597697 1597697 | N/S | Kent | Complete | |
| 298 | 1597700 1597700 | E/W | Kent | Complete | |
| 299 | 1597687 1597687 | N/S | Kent, Cecil | Complete | |
| 300 | 1346123 1346123 | E/W | Queen Anne's | Complete | |
| 302 | 1598446 1598446 | E/W | Queen Anne's, Caroline | Complete | Forms part of Caroline/Queen Anne's border. |
| 303 | 1598459 1598459 | N/S | Queen Anne's, Talbot | Complete | |
| 304 | 1598457 1598457 | E/W | Queen Anne's | Complete | Signage in Centreville uncertain. |
| 305 | 1598461 1598461 | E/W | Queen Anne's | Complete | |
| 306 | 1598437 1598437 | N/S | Caroline | Complete | |
| 307 | 1598439 1598439 | E/W | Caroline | Complete | |
| 308 | 1598445 1598445 | N/S | Caroline | Complete | Not signed. Short route between MD 313 and limits of Federalsburg. |
| 309 | 1598438 1598438 | N/S | Talbot, Queen Anne's | Complete | |
| 310 | 1597622 1597622 | E/W | Cecil | Complete | |
| 311 | 1598441 1598441 | N/S | Caroline | Complete | |
| 312 | 1598455 1598455 | N/S | Caroline | Complete | |
| 313 | 1318839 1318839 | N/S | Wicomico, Dorchester, Caroline, Queen Anne's, Kent | Complete | Michigan left at US 301. |
| 314 | 1598448 1598448 | E/W | Caroline | Complete | |
| 315 | 1598450 1598450 | E/W | Caroline | Complete | |
| 316 | 1597609 1597609 | N/S | Cecil | Complete | |
| 317 | 1598431 1598431 | E/W | Caroline | Complete | |
| 318 | 1598427 1598427 | E/W | Caroline | Complete | |
| 320 | 1601115 1601115 | N/S | Montgomery, Prince George's | Complete | |
| 322 | 1315137 1315137 | N/S | Talbot | Complete | |
| 324 | 1598426 1598426 | N/S | Talbot | Complete | Unsigned. |
| 327 | 1341562 1341562 | N/S | Cecil | Complete | |
| 328 | 1598433 1598433 | E/W | Caroline | Not Complete | |
| 329 | 1315130 1315130 | E/W | Talbot | Complete | |
| 330 | 1597690 1597690 | E/W | Kent | Complete | |
| 331 | 1598831 1598831 | N/S | Talbot, Caroline, Dorchester | Complete | |
| 332 | 1601134 1601134 | E/W | Prince George's | Complete | |
| 333 | 1315141 1315141 | N/S | Talbot | Complete | |
| 334 | 1315138 1315138 | E/W | Talbot | Complete | |
| 335 | 1324363 1324363 | N/S | Dorchester | Complete | |
| 336 | 1324372 1324372 | E/W | Dorchester | Complete | |
| 337 | 1346540 1346540 | E/W | Prince George's | Complete | Includes workaround for break in westbound way at Suitland Parkway. |
| 341 | 1324375 1324375 | N/S | Dorchester | Complete | |
| 342 | 1597615 1597615 | N/S | Cecil | Complete | |
| 343 | 1324378 1324378 | E/W | Dorchester | Complete | |
| 344 | 1598942 1598942 | E/W | Charles | Complete | |
| 346 | 1598822 1598822 | E/W | Wicomico, Worcester | Complete | |
| 347 | 1598849 1598849 | N/S | Wicomico | Complete | |
| 348 | 1598847 1598847 | E/W | Wicomico | Complete | |
| 349 | 1287177 1287177 | E/W | Wicomico | Complete | |
| 350 | 1598803 1598803 | E/W | Wicomico | Complete | |
| 351 | 1600092 1600092 | N/S | Frederick | Complete | Route decommissioned in 2014. |
| 352 | 1598856 1598856 | E/W | Wicomico | Complete | |
| 353 | 1598817 1598817 | N/S | Wicomico | Complete | |
| 354 | 1598839 1598839 | N/S | Wicomico | Complete | |
| 355 | 1600955 1600955 | N/S | Montgomery, Frederick | Complete | New portion in Urbana not state maintained, but cross-referenced in route logs. Old road is signed in one place as Business MD 355 (This is not yet in logs). |
| 358 | 1598802 1598802 | N/S | Somerset | Complete | No directional banners. |
| 361 | 1598810 1598810 | E/W | Somerset | Complete | |
| 362 | 1598806 1598806 | E/W | Somerset | Complete | |
| 363 | 1598814 1598814 | E/W | Somerset | Complete | |
| 364 | 1598846 1598846 | N/S | Somerset | Complete | |
| 365 | 1598832 1598832 | E/W | Worcester | Complete | |
| 366 | 1598848 1598848 | E/W | Worcester | Complete | |
| 367 | 1598834 1598834 | E/W | Worcester | Complete | |
| 368 | 1598845 1598845 | N/S | Worcester | Complete | Signed. |
| 370 | 1315131 1315131 | N/S | Talbot | Complete | |
| 371 | 1598804 1598804 | N/S | Worcester | Complete | |
| 372 | 1346063 1346063 | E/W | Baltimore, Baltimore City | Complete | Unsigned in Baltimore City (portion too short to matter). |
| 373 | 1601118 1601118 | E/W | Prince George's | Complete | |
| 374 | 1598843 1598843 | E/W | Worcester | Complete | |
| 375 | 1598858 1598858 | E/W | Worcester | Complete | Not signed. A single one-way block in Berlin. |
| 376 | 1598818 1598818 | E/W | Worcester | Complete | |
| 377 | 1598835 1598835 | N/S | Worcester | Complete | Not signed. |
| 378 | 1598826 1598826 | N/S | Worcester | Complete | Not signed as 378. Northbound side of one-way couplet with MD 528. |
| 380 | 1598825 1598825 | N/S | Somerset | Complete | |
| 381 | 1601125 1601125 | N/S | Prince George's | Complete | |
| 382 | 1601132 1601132 | N/S | Prince George's | Complete | |
| 383 | 1600099 1600099 | N/S | Frederick | Complete | |
| 384 | 1346197 1346197 | E/W | Montgomery | Complete | |
| 387 | 1600193 1600193 | N/S | Anne Arundel | Not Complete | |
| 388 | 1598853 1598853 | E/W | Somerset | Complete | |
| 390 | 1346198 1346198 | N/S | Montgomery | Complete | |
| 393 | 1313665 1313665 | N/S | Anne Arundel | Complete | |
| 396 | 1600959 1600959 | N/S | Montgomery | Complete | |
| 402 | 1313548 1313548 | E/W | Calvert | Complete | |
| 404 | 1318403 1318403 | E/W | Talbot, Queen Anne's, Caroline | Complete | Dualization underway west of Denton. |
| 404 Alternate | 1598432 1598432 | E/W | Talbot, Caroline | Complete | Through town of Queen Anne. |
| 404 Business | 1598428 1598428 | E/W | Caroline | Complete | Through town of Denton. |
| 405 | 1346125 1346125 | N/W | Queen Anne's | Complete | |
| 407 | 1346193 1346193 | E/W | Carroll | Complete | |
| 408 | 1600198 1600198 | E/W | Anne Arundel | Complete | |
| 410 | 1320724 1320724 | E/W | Montgomery, Prince George's | Complete | Break in state maintenance at interchange with B-W Parkway, but cross-referenced under MD 410. |
| 413 | 1598837 1598837 | N/S | Somerset | Complete | |
| 414 | 1346530 1346530 | E/W | Prince George's | Complete | |
| 418 | 1597531 1597531 | N/S | Washington | Complete | |
| 422 | 1600185 1600185 | E/W | Anne Arundel | Complete | |
| 423 | 1600174 1600174 | E/W | Anne Arundel | Complete | |
| 424 | 1600181 1600181 | N/S | Anne Arundel | Complete | |
| 425 | 1598943 1598943 | N/S | Charles | Complete | |
| 430 | 1601130 1601130 | E/W | Prince George's | Complete | Unsigned. |
| 432 | 1600910 1600910 | N/S | Howard | Complete | Unsigned. |
| 435 | 1600170 1600170 | N/S | Anne Arundel | Complete | |
| 436 | 1600187 1600187 | N/S | Anne Arundel | Complete | |
| 439 | 1317722 1317722 | E/W | Baltimore, Harford | Complete | |
| 440 | 1317737 1317737 | E/W | Harford | Complete | |
| 444 | 1597689 1597689 | N/S | Kent | Complete | |
| 445 | 1314960 1314960 | N/S | Kent | Complete | |
| 446 | 1597702 1597702 | N/S | Kent | Complete | |
| 449 | 1597694 1597694 | N/S | Kent | Complete | Not signed. Very short connecting segment between 213 and 444. |
| 450 | 1601129 1601129 | E/W | Prince George's, Anne Arundel | Complete | |
| 452 | 1598851 1598851 | N/S | Worcester | Complete | |
| 454 | 1598453 1598453 | E/W | Caroline | Complete | |
| 456 | 1341697 1341697 | N/S | Queen Anne's | Complete | Non-contiguous; no access across US 301. One has to right turn on US 301 and make U-turn back (Michigan left). |
| 458 | 1346531 1346531 | E/W | Prince George's | Complete | |
| 459 | 1314037 1314037 | N/S | Prince George's | Complete | |
| 460 | 1598842 1598842 | N/S | Somerset | Complete | No directional banners. |
| 462 | 1317734 1317734 | N/S | Harford | Complete | |
| 464 | 1600104 1600104 | E/W | Frederick | Complete | |
| 468 | 1600190 1600190 | N/S | Anne Arundel | Complete | |
| 470 | 1598897 1598897 | N/S | Saint Mary's | Complete | |
| 471 | 1598882 1598882 | E/W | Saint Mary's | Complete | |
| 472 | 1598895 1598895 | N/S | Saint Mary's | Complete | |
| 478 | 1600095 1600095 | E/W | Frederick | Complete | |
| 480 | 1598458 1598458 | N/S | Caroline | Complete | |
| 481 | 1598436 1598436 | N/S | Queen Anne's | Complete | |
| 482 | 1346476 1346476 | E/W | Carroll | Complete | |
| 485 | 1598442 1598442 | E/W | Caroline | Complete | Bizarre signage only at eastern dead end stub off mainline. |
| 488 | 1598933 1598933 | E/W | Charles, Saint Mary's | Complete | |
| 489 | 1598888 1598888 | E/W | Saint Mary's | Complete | |
| 490 | 1317733 1317733 | N/S | Harford | Complete | |
| 491 | 1597515 1597515 | N/S | Washington | Complete | |
| 494 | 1597529 1597529 | E/W | Washington | Complete | |
| 496 | 1346478 1346478 | E/W | Carroll | Complete | |
| 497 | 1313082 1313082 | E/W | Calvert | Complete | |
| 500 | 1314026 1314026 | N/S | Prince George's | Complete | |
| 501 | 1314027 1314027 | E/W | Prince George's | Complete | |
| 506 | 1313546 1313546 | E/W | Calvert | Complete | |
| 508 | 1313547 1313547 | N/S | Calvert | Complete | |
| 509 | 1313083 1313083 | E/W | Calvert | Complete | |
| 513 | 1598830 1598830 | N/S | Wicomico | Complete | |
| 514 | 1315061 1315061 | N/S | Kent | Complete | |
| 518 | 1598444 1598444 | N/S | Talbot | Complete | Unsigned. |
| 520 | 1598886 1598886 | N/S | Saint Mary's | Complete | |
| 521 | 1315590 1315590 | N/S | Calvert | Complete | |
| 524 | 1315589 1315589 | N/S | Calvert | Complete | |
| 528 | 1313079 1313079 | N/S | Worcester | Complete | Includes (unsigned) MD 378 as northbound portion in downtown Ocean City |
| 529 | 1598850 1598850 | N/S | Somerset | Complete | |
| 542 | 1341699 1341699 | N/S | Baltimore City, Baltimore | Complete | Signed sporadically in Baltimore City. |
| 543 | 1317741 1317741 | N/S | Harford | Complete | |
| 544 | 1598447 1598447 | E/W | Queen Anne's | Complete | |
| 545 | 1597617 1597617 | N/S | Cecil | Complete | |
| 547 | 1600947 1600947 | E/W | Montgomery | Complete | |
| 550 | 1600091 1600091 | N/S | Frederick, Washington | Complete | |
| 552 | 1341635 1341635 | N/S | Queen Anne's | Complete | |
| 553 | 2060655 2060655 | N/S | Anne Arundel | Complete | Northern portion signed from southbound MD 2. |
| 560 | 1597291 1597291 | N/S | Garrett | Complete | |
| 561 | 1597686 1597686 | N/S | Kent | Complete | |
| 562 | 1320697 1320697 | N/S | Baltimore | Complete | Southern terminus at Markoe Road. |
| 564 | 1601133 1601133 | E/W | Prince George's | Complete | |
| 565 | 1598452 1598452 | N/S | Talbot | Complete | Multiple sections. |
| 566 | 1597692 1597692 | E/W | Kent | Complete | |
| 568 | 1598821 1598821 | N/S | Worcester | Complete | Signed. |
| 575 | 1598857 1598857 | N/S | Worcester | Complete | Part of old US 113. |
| 577 | 1598833 1598833 | N/S | Caroline, Dorchester | Complete | Forms county line. |
| 578 | 1598449 1598449 | E/W | Caroline | Complete | |
| 579 | 1315124 1315124 | N/S | Talbot | Complete | |
| 584 | 1320740 1320740 | N/S | Saint Mary's | Complete | Unsigned. |
| 586 | 1600969 1600969 | E/W | Montgomery | Complete | |
| 587 | 1132391 1132391 | N/S | Baltimore | Complete | |
| 588 | 1313073 1313073 | N/S | Baltimore | Complete | Northern terminus just north of Brookwood Drive. |
| 589 | 1598840 1598840 | N/S | Worcester | Complete | |
| 607 | 1341333 1341333 | N/S | Anne Arundel | Complete | Southern end is at Seaborne Drive. |
| 610 | 1598815 1598815 | N/S | Worcester | Complete | |
| 611 | 1598808 1598808 | N/S | Worcester | Complete | |
| 614 | 1600972 1600972 | E/W | Montgomery | Complete | |
| 615 | 1597525 1597525 | N/S | Washington | Complete | |
| 617 | 1598429 1598429 | N/S | Caroline | Complete | Unsigned. |
| 619 | 1598443 1598443 | N/S | Caroline | Complete | Signed on MD 404 guide signage. Old MD 313 in Denton. |
| 623 | 1317736 1317736 | N/S | Harford | Complete | |
| 624 | 1346549 1346549 | N/S | Harford | Complete | Does not include road that runs along border. This is on the Pennsylvania side of the line, and is referenced as SR 2080 by PennDOT. |
| 625 | 1598890 1598890 | N/S | Charles | Complete | Hidden designation for Business MD 5 in Waldorf. |
| 627 | 1598852 1598852 | E/W | Somerset | Complete | |
| 631 | 1601123 1601123 | N/S | Prince George's | Complete | Unsigned. |
| 632 | 1597511 1597511 | N/S | Washington | Complete | Unsigned. |
| 636 | 1346505 1346505 | E/W | Allegany | Complete | Signed. Also de facto part of mainline for southern end of MD 53, which is one-way southbound south of MD 636 to US 220. |
| 637 | 1320734 1320734 | E/W | Prince George's | Complete | Signed at guide sign at southern terminus with MD 5. |
| 638 | 1597232 1597232 | N/S | Allegany | Complete | Unsigned. |
| 639 | 1597233 1597233 | N/S | Allegany | Complete | Unsigned. |
| 640 | 1598819 1598819 | E/W | Somerset | Complete | Signed. |
| 642 | 1341318 1341318 | E/W | Anne Arundel | Complete | Unsigned. |
| 646 | 1317843 1317843 | E/W | Harford | Complete | |
| 648 | 1600200 1600200 | E/W | Anne Arundel, Baltimore, Baltimore City | Complete | Multiple sections of old MD 2. Sparse signage in Baltimore City. |
| 650 | 1168751 1168751 | N/S | Montgomery | Complete | |
| 652 | 1314512 1314512 | N/S | Anne Arundel | Complete | Signed at northern terminus with MD 176. |
| 656 | 1341692 1341692 | E/W | Queen Anne's | Complete | |
| 658 | 1346507 1346507 | N/S | Allegany | Complete | |
| 662 | 1598454 1598454 | N/S | Talbot | Complete | Old US 50 (then US 213). |
| 665 | 1314011 1314011 | E/W | Anne Arundel | Complete | |
| 667 | 1598855 1598855 | E/W | Somerset | Complete | No directional banners posted near Crisfield. |
| 669 | 1346447 1346447 | N/S | Garrett | Complete | |
| 670 | 1598816 1598816 | E/W | Wicomico | Complete | |
| 672 | 1600196 1600196 | E/W | Anne Arundel | Complete | |
| 674 | 1314961 1314961 | E/W | Kent | Complete | Signed. |
| 675 | 1598811 1598811 | N/S | Somerset, Wicomico | Complete | Parts of old US 13 in Delmar and Princess Anne |
| 694 | 1601111 1601111 | N/S | Prince George's | Complete | Unsigned. |
| 700 | 1132400 1132400 | N/S | Baltimore | Complete | |
| 702 | 1246908 1246908 | N/S | Baltimore | Complete | |
| 704 | 1601122 1601122 | E/W | Prince George's | Complete | |
| 707 | 1598807 1598807 | E/W | Worcester | Complete | Multiple sections. |
| 710 | 1600204 1600204 | E/W | Anne Arundel | Complete | |
| 712 | 1598900 1598900 | N/S | Saint Mary's | Complete | |
| 713 | 1600194 1600194 | N/S | Anne Arundel | Complete | |
| 715 | 1599608 1599608 | E/W | Harford | Complete | |
| 717 | 1601131 1601131 | N/S | Prince George's | Complete | Unsigned. |
| 725 | 1601113 1601113 | E/W | Prince George's | Complete | |
| 726 | 1601116 1601116 | N/S | Prince George's | Complete | Unsigned. |
| 727 | 1597620 1597620 | N/S | Cecil | Complete | Unsigned. |
| 736 | 1597242 1597242 | N/S | Allegany | Complete | Unsigned. |
| 743 | 1597240 1597240 | E/W | Allegany | Complete | Unsigned. |
| 755 | 1599606 1599606 | N/S | Harford | Complete | |
| 756 | 1598841 1598841 | E/W | Somerset | Complete | |
| 758 | 3031344 3031344 | N/S | Anne Arundel | Complete | |
| 760 | 1313081 1313081 | N/S | Calvert | Complete | |
| 761 | 1598944 1598944 | N/S | Calvert | Complete | Unsigned. |
| 762 | 1314568 1314568 | N/S | Anne Arundel | Complete | Unsigned. |
| 763 | 1317731 1317731 | E/W | Harford | Complete | Signed. |
| 764 | 1598931 1598931 | N/S | Calvert | Complete | Unsigned. |
| 765 | 1316420 1316420 | N/S | Calvert | Complete | Non-contiguous; Old portions of MD 2. |
| 768 | 1598936 1598936 | E/W | Calvert | Complete | Unsigned. |
| 776 | 1598430 1598430 | N/S | Caroline | Complete | |
| 778 | 1598937 1598937 | E/W | Anne Arundel | Complete | Old portions of MD 2. |
| 781 | 1341566 1341566 | N/S | Cecil | Complete | |
| 783 | 1600186 1600186 | E/W | Anne Arundel | Complete | Unsigned. |
| 784 | 1600184 1600184 | E/W | Anne Arundel | Complete | Unsigned. |
| 785 | 1600191 1600191 | E/W | Anne Arundel | Complete | Unsigned. |
| 787 | 1600957 1600957 | N/S | Montgomery | Complete | To be downloaded to Takoma Park. |
| 797 | 1600198 1600198 | E/W | Anne Arundel | Complete | Unsigned. |
| 800 | 1599945 1599945 | E/W | Carroll | Complete | Old MD 75. |
| 802 | 1325350 1325350 | N/S | Queen Anne's | Complete | |
| 806 | 1600107 1600107 | N/S | Frederick | Complete | Old sections of US 15. |
| 808 | 1599954 1599954 | N/S | Carroll | Complete | Old MD 27. |
| 814 | 1600097 1600097 | N/S | Frederick | Complete | |
| 815 | 1598809 1598809 | E/W | Wicomico | Complete | Signed. Old MD 349. |
| 817 | 1929234 1929234 | N/S | Caroline | Complete | Signed. |
| 818 | 1598805 1598805 | N/S | Worcester | Complete | Signed. Old US 113 in Berlin. |
| 820 | 1598456 1598456 | E/W | Caroline | Complete | Unsigned. |
| 821 | 1598440 1598440 | E/W | Caroline | Complete | Unsigned. |
| 822 | 1598836 1598836 | E/W | Somerset | Complete | Signed. |
| 824 | 1651321 1651321 | N/S | Cecil | Complete | Signed. |
| 832 | 1599951 1599951 | E/W | Carroll | Complete | Signed. |
| 833 | 1323719 1323719 | E/W | Carroll | Complete | Signed in one place westbound at eastern terminus. |
| 834 | 1597693 1597693 | E/W | Queen Anne's | Complete | Access to rest area along US 301. |
| 835A | 1341588 1341588 | E/W | Queen Anne's | Complete | Only Maryland route to be signed with a letter suffix. |
| 844 | 1597527 1597527 | E/W | Washington | Complete | Old section of MD 64. |
| 852 | 1599952 1599952 | E/W | Carroll | Complete | Old MD 31/27. One section near Manchester signed. |
| 855 | 1597699 1597699 | E/W | Kent | Complete | Unsigned. |
| 856 | 1597703 1597703 | N/S | Kent | Complete | Unsigned. |
| 864 | 15976893 15976893 | N/S | Kent | Complete | Unsigned. |
| 872 | 1600098 1600098 | E/W | Frederick | Complete | Unsigned. |
| 874 | 1929236 1929236 | N/S | Frederick | Complete | Signed once at MD 144 in New Market. |
| 910 | 1929237 1929237 | N/S | Washington | Complete | Signed. |
| 911 | 1346463 1346463 | N/S | Montgomery | Complete | Signed. |
| 918 | 1598829 1598829 | E/W | Somerset | Complete | Unsigned. |
| 920 | 1598828 1598828 | N/S | Somerset | Complete | Unsigned. Multiple old sections/frontages of US 13. |
| 924 | 1599607 1599607 | N/S | Harford | Complete | Signed. Old MD 24, still heavily used. |
| 925 | 1598947 1598947 | N/S | Charles | Complete | Signed. |
| 936 | 1597243 1597243 | N/S | Allegany | Complete | Signed. |
| 940 | 1599819 1599819 | E/W | Baltimore | Complete | TO MD 940 signed off MD 140, not on mainline. |
| 953 | 1601127 1601127 | N/S | Prince George's | Complete | Signed. |
| 950 | 1601117 1601117 | E/W | Prince George's | Complete | Unsigned. |
| 956 | 1346503 1346503 | E/W | Allegany | Complete | Signed. Carried in from WV 956 (formerly CR 9/6). |
| 963 | 1601124 1601124 | E/W | Prince George's | Complete | Unsigned. |
| 964 | 1601109 1601109 | N/S | Prince George's | Complete | Unsigned. |
| 965 | 1601124 1601124 | N/S | Prince George's | Complete | Unsigned. |
| 967 | 1601107 1601107 | N/S | Prince George's | Complete | Unsigned. |
| 968 | 1601112 1601112 | N/S | Prince George's | Complete | Unsigned. |
| 974 | 1601126 1601126 | N/S | Prince George's | Complete | Unsigned. |
| 976 | 1601135 1601135 | N/S | Prince George's | Complete | Unsigned. |
| 979 | 1601114 1601114 | E/W | Prince George's | Complete | Unsigned. |
| 981 | 1600911 1600911 | E/W | Howard | Complete | Old MD 104. |
| 984 | 1600908 1600908 | E/W | Howard | Complete | Frontage of US 40 near Ellicott City. |
| 985 | 1600907 1600907 | N/S | Howard | Complete | Old MD 99. |
| 995 | 1314570 1314570 | N/S | Anne Arundel | Complete | Unsigned. Access road to BWI rail station. |
Non-Numbered Roads/Routes
| Route name | Relation | Direction | Counties | Progress | Notes |
|---|---|---|---|---|---|
| BWI Airport Loop | 1314521 1314521 | Inner/Outer | Anne Arundel | Complete |
This article is issued from Openstreetmap. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.