List of state highways in Maryland

Below is a list of Maryland state highways and the counties they pass through. Only currently marked or signposted highways are listed. Other (mostly higher numbered) highways are not signposted; they are mostly used on old alignments of current routes, and are only used for administrative purposes.

0-99

2 Baltimore City, Anne Arundel, Calvert
3 Anne Arundel, Prince George's
4 Prince George's, Anne Arundel, Calvert, St. Mary's
5 Prince George's, Charles, St. Mary's
6 Charles, St. Mary's
7 Baltimore County, Harford, Cecil
8 Queen Anne's
10 Anne Arundel
12 Wicomico, Worcester
14 Dorchester
16 Dorchester, Caroline
17 Frederick
18 Queen Anne's
19 Queen Anne's
20 Kent
21 Kent
22 Harford
23 Harford
24 Harford
25 Baltimore County, Baltimore City
26 Frederick, Carroll, Baltimore County, Baltimore City
27 Carroll, Howard, Frederick, Montgomery
28 Frederick, Montgomery
30 Carroll, Baltimore County
31 Frederick, Carroll
32 Carroll, Howard, Anne Arundel
33 Talbot
34 Washington
35 Allegany
36 Allegany
38 Garrett
39 Garrett
41 Baltimore County
42 Garrett
43 Baltimore County
45 Baltimore County, Baltimore City
47 Allegany
49 Allegany
51 Allegany
53 Allegany
54 Wicomico
55 Allegany
56 Washington
57 Washington
58 Washington
60 Washington
61 Allegany
62 Washington
63 Washington
64 Washington
65 Washington
66 Washington
67 Washington
68 Washington
70 Anne Arundel
75 Carroll, Frederick
76 Frederick
77 Washington, Frederick, Carroll
79 Frederick
80 Frederick, Montgomery
84 Carroll
85 Frederick
86 Carroll
88 Carroll, Baltimore County
90 Worcester
91 Baltimore County, Carroll
94 Howard
95 Montgomery
97 Carroll, Howard, Montgomery
99 Howard

100-199

100 Howard, Anne Arundel
103 Howard, Anne Arundel
104 Howard
107 Montgomery
108 Howard, Montgomery
109 Montgomery
112 Montgomery
115 Montgomery
117 Montgomery
118 Montgomery
119 Montgomery
121 Montgomery
122 Baltimore County
124 Montgomery
125 Baltimore County
128 Baltimore County
129 Baltimore County, Baltimore City
130 Baltimore County
131 Baltimore County
132 Harford
133 Baltimore County
134 Baltimore County
135 Garrett, Allegany
136 Harford
137 Baltimore County
138 Baltimore County, Harford
139 Baltimore County, Baltimore City
140 Frederick, Carroll, Baltimore County, Baltimore City
144 Allegany, Washington, Frederick, Carroll, Howard, Baltimore County, Baltimore City
145 Baltimore County
146 Harford, Baltimore County
147 Harford, Baltimore County, Baltimore City
150 Baltimore City, Baltimore County
151 Baltimore City, Baltimore County
152 Harford
155 Harford
156 Harford
157 Baltimore County
158 Baltimore County
159 Harford
161 Harford
162 Anne Arundel
165 Harford, Baltimore County
166 Baltimore County
168 Anne Arundel
169 Anne Arundel
170 Anne Arundel
171 Anne Arundel, Baltimore City
173 Baltimore City, Anne Arundel
174 Anne Arundel
175 Howard, Anne Arundel
176 Anne Arundel
177 Anne Arundel
178 Anne Arundel
179 Anne Arundel
180 Washington, Frederick
182 Montgomery
185 Montgomery
186 Montgomery
187 Montgomery
188 Montgomery
189 Montgomery
190 Montgomery
191 Montgomery
192 Montgomery
193 Montgomery, Prince George's
194 Carroll, Frederick
195 Montgomery
197 Prince George's
198 Montgomery, Prince George's, Anne Arundel

200-299

201 Prince George's
202 Prince George's
208 Prince George's
210 Prince George's, Charles
211 Prince George's
212 Prince George's
213 Cecil, Kent, Queen Anne's
214 Prince George's, Anne Arundel
216 Howard, Prince George's, Anne Arundel
218 Prince George's
222 Cecil
223 Prince Geroge's
224 Charles
225 Charles
227 Charles
228 Prince George's, Charles
229 Charles
231 Charles, Calvert
234 Charles, St. Mary's
235 St. Mary's
236 St. Mary's
237 St. Mary's
238 St. Mary's
239 St. Mary's
242 St. Mary's
243 St. Mary's
244 St. Mary's
245 St. Mary's
246 St. Mary's
247 St. Mary's
249 St. Mary's
253 Anne Arundel
254 Charles
255 Anne Arundel
256 Anne Arundel
257 Charles
258 Anne Arundel
259 Anne Arundel
260 Calvert, Anne Arundel
261 Anne Arundel, Calvert
262 Calvert
263 Calvert
264 Calvert
265 Calvert
267 Cecil
268 Cecil
270 Anne Arundel
272 Cecil
273 Cecil
274 Cecil
275 Cecil
276 Cecil
277 Cecil
279 Cecil
281 Cecil
282 Cecil
284 Cecil
285 Cecil
286 Cecil
287 Caroline
288 Kent
289 Kent
290 Kent, Queen Anne's
291 Kent
292 Kent
295 Baltimore City, Baltimore County, Anne Arundel, Prince George's
297 Kent
298 Kent
299 Cecil, Kent

300-399

300 Queen Anne's
302 Queen Anne's, Caroline
303 Talbot
304 Queen Anne's, Caroline
305 Queen Anne's
306 Caroline
307 Dorchester, Caroline
308 Caroline
309 Queen Anne's, Talbot
310 Cecil
311 Caroline
312 Caroline
313 Kent, Queen Anne's, Caroline, Dorchester, Wicomico
314 Caroline
315 Caroline
316 Cecil
317 Caroline
318 Dorchester
320 Montgomery, Prince George's
322 Talbot
327 Cecil
328 Talbot, Caroline
329 Talbot
330 Kent
331 Talbot, Caroline, Dorchester
332 Prince George's
333 Talbot
334 Talbot
335 Dorchester
336 Dorchester
337 Prince George's
341 Dorchester
342 Cecil
343 Dorchester
344 Charles
346 Wicomico, Worcester
347 Wicomico
348 Wicomico
349 Wicomico
350 Wicomico
351 Frederick
352 Wicomico
353 Wicomico
354 Wicomico, Worcester
355 Frederick, Montgomery
358 Somerset
359 Worcester
361 Somerset
362 Somerset
363 Somerset
364 Worcester, Somerset
365 Worcester
366 Worcester
367 Worcester
370 Talbot
371 Worcester
372 Baltimore County, Baltimore City
373 Prince George's
374 Wicomico, Worcester
376 Worcester
380 Somerset
381 Prince George's, Charles
382 Prince Geroge's
383 Frederick
384 Montgomery
387 Anne Arundel
388 Somerset
390 Montgomery
392 Dorchester
393 Anne Arundel
396 Montgomery

400-499

402 Calvert
404 Queen Anne's, Talbot, Caroline
405 Queen Anne's
407 Carroll
408 Anne Arundel
410 Montgomery, Prince George's
413 Somerset
414 Prince George's
418 Washington
422 Anne Arundel
423 Anne Arundel
424 Anne Arundel
425 Charles
435 Anne Arundel
436 Anne Arundel
439 Baltimore County, Harford
440 Harford
444 Kent
445 Kent
446 Kent
450 Prince George's, Anne Arundel
452 Worcester
454 Caroline
456 Queen Anne's
458 Prince George's
460 Somerset
462 Harford
464 Frederick
468 Anne Arundel
470 St. Mary's
471 St. Mary's
472 St. Mary's
475 Frederick
478 Frederick
497 Calvert

500-599

500 Prince George's
501 Prince George's
506 Calvert
508 Calvert
509 Calvert
513 Wicomico
514 Kent
521 Calvert
524 Calvert
528 Worcester
529 Somerset
542 Baltimore County, Baltimore City
543 Harford
547 Montgomery
550 Frederick, Washington
552 Queen Anne's
561 Kent
562 Baltimore County
564 Prince George's
565 Talbot
566 Kent
575 Worcester
578 Caroline
579 Talbot
586 Montgomery
587 Baltimore County
588 Baltimore County
589 Worcester
591 Cecil

600-699

607 Anne Arundel
610 Worcester
611 Worcester
614 Montgomery
615 Washington
623 Harford
624 Harford
627 Somerset
640 Somerset
646 Harford
648 Baltimore City, Anne Arundel
650 Montgomery
652 Anne Arundel
656 Queen Anne's
662 Queen Anne's, Talbot
665 Anne Arundel
667 Somerset
670 Wicomico
672 Anne Arundel
673 Somerset
674 Kent
675 Wicomico
677 Anne Arundel

700-799

700 Baltimore County
702 Baltimore County
704 Prince George's
707 Worcester
710 Anne Arundel
712 St. Mary's
713 Anne Arundel
715 Harford
725 Prince George's
750 Dorchester
755 Harford
760 Calvert
765 Calvert
768 Calvert
778 Calvert, Anne Arundel

800-899

802 Queen Anne's
808 Carroll, Frederick
815 Wicomico
818 Worcester
824 Cecil
833 Carroll
835 Queen Anne's
852 Carroll
874 Frederick
895 Montgomery (dropped in 2000)
899 Montgomery

900-999

911 Montgomery
924 Harford
925 Charles
935 Allegany
936 Allegany
937 Allegany
940 Baltimore County
946 Garrett
956 Allegany

External Links

mdroads.com The source used to create this list. Gives a complete listing of both current and past Maryland state highways.
Highway Location Reference, from Maryland State Highway Administration