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