403:
389:
417:
445:
431:
549:
45:
466:
543:
388:
267:
40:
35:
416:
444:
402:
326:
State reservation highways: Highways maintained by non-highways agencies of the state of
Maryland. Examples of highways within this categories include streets on state university campuses, access roads to state parks and state forests, and highways within state-owned
578:
573:
568:
258:. Several state highways have multiple disjoint segments that are denoted internally by suffixes, encompassing either old alignments of a major highway or a collection of service roads related to a particular highway.
563:
436:
1040:
288:
619:
614:
609:
604:
599:
594:
1076:
714:
1050:
430:
156:
497:
374:
1030:
869:
522:
347:
The vast majority of
Interstate, U.S., and state highways are constructed by and maintained by the Maryland State Highway Administration (MDSHA).
185:
152:
106:
228:
Maryland has 14 U.S. Highways, including seven primary U.S. Highways and seven auxiliary U.S. highways. The longest U.S. highway in
Maryland is
964:
929:
723:
744:
635:
342:
190:
Maryland has 16 Interstate highways, including six primary
Interstates and ten auxiliary Interstates. The longest Interstate in Maryland is
70:
151:, the highway system consists of a network of Maryland state-numbered highways. All three types of highways together provide access to all
1004:
1086:
1081:
1071:
959:
874:
849:
794:
320:
1025:
999:
939:
864:
789:
707:
245:
116:
1009:
984:
914:
640:
527:
356:
223:
111:
671:
879:
839:
814:
164:
250:
Maryland has a unitary system of numbered state highways with numbers between 2 and 999. The longest
Maryland state highway is
954:
949:
819:
809:
774:
764:
532:
490:
979:
899:
121:
377:. Portions of U.S. and state highways within particular cities and towns are maintained by the respective municipalities.
284:
Municipal highways: Every city, town, and village maintains an internal system of numerically designated municipal streets.
924:
919:
894:
884:
844:
824:
700:
304:
994:
969:
909:
904:
829:
804:
784:
160:
834:
799:
308:
254:, while several state highways are less than 0.5 mi (0.80 km) in length. Most of the shortest highways are
989:
974:
854:
483:
934:
739:
450:
362:
271:
229:
207:
203:
195:
191:
60:
281:
County highways: All 23 counties have internal numerical designations for all highways under their jurisdiction.
17:
1035:
944:
287:
Federal government or agency highways: Highways maintained by the federal government or agencies such as the
779:
661:
889:
656:
769:
470:
316:
1045:
681:
296:
666:
300:
168:
144:
408:
277:
There are other systems of highways in
Maryland that are not marked but are numbered internally.
394:
676:
255:
251:
199:
692:
422:
233:
1065:
754:
361:
All toll facilities in the state and limited access highways within
Baltimore except
291:
are designated inventory numbers. Examples of highways within this category include
211:
148:
80:
365:
are constructed and maintained by the
Maryland Transportation Authority (MdTA).
548:
214:, which is also the shortest primary highway in the Interstate Highway System.
312:
136:
373:
All U.S. and state highways and I-83 within
Baltimore are maintained by the
475:
140:
44:
292:
542:
266:
265:
39:
696:
479:
34:
303:; streets on federal research campuses, such as those of the
437:
U.S. Route 40 Alternate (Keysers Ridge–Cumberland, Maryland)
289:
Maryland-National
Capital Park and Planning Commission
135:
is a network of highways owned and maintained by the
236:. Maryland also contains six former U.S. highways.
1018:
753:
732:
649:
628:
587:
556:
515:
89:
79:
69:
59:
54:
18:List of Interstate and U.S. highways in Maryland
708:
636:Maryland State Highway Administration (MDSHA)
491:
8:
311:; roads on military bases, such as those on
375:Baltimore City Department of Transportation
715:
701:
693:
498:
484:
476:
143:. In addition to the nationally numbered
27:Highway system in Maryland, United States
641:Maryland Transportation Authority (MDTA)
384:
315:; and roads within reservations of the
186:List of Interstate Highways in Maryland
725:Numbered highways in the United States
29:
1077:Maryland transportation-related lists
343:Maryland State Highway Administration
337:Maryland State Highway Administration
232:, while the shortest U.S. highway is
7:
321:Assateague Island National Seashore
194:, while the shortest Interstate is
672:Baltimore–Washington Parkway
246:List of state highways in Maryland
25:
557:Shorter than 1 mile (1.6 km)
357:Maryland Transportation Authority
351:Maryland Transportation Authority
224:List of U.S. highways in Maryland
210:; and an intracounty Interstate,
547:
541:
464:
443:
429:
415:
401:
387:
319:, such as Bayberry Drive within
49:Standard route signs in Maryland
43:
38:
33:
1:
305:National Institutes of Health
198:. Maryland also contains an
309:Goddard Space Flight Center
163:of Maryland as well as the
1103:
1087:State highways in Maryland
1082:Transportation in Maryland
1072:Lists of roads in Maryland
354:
340:
243:
221:
183:
539:
471:Maryland roads portal
94:
32:
1041:Northern Mariana Islands
662:Baltimore Harbor Tunnel
533:Maryland state highways
508:Maryland highway system
240:Maryland state highways
206:; a former Interstate,
133:Maryland highway system
99:Maryland highway system
85:Maryland Route X (MD X)
745:U.S. Numbered Highways
657:Maryland Scenic Byways
274:
588:Former state highways
317:National Park Service
269:
1031:District of Columbia
682:Clara Barton Parkway
297:Clara Barton Parkway
740:Interstate Highways
667:Fort McHenry Tunnel
523:Interstate Highways
301:Sligo Creek Parkway
270:Welcome sign along
180:Interstate highways
145:Interstate Highways
75:U.S. Route X (US X)
409:Maryland Route 231
275:
65:Interstate X (I-X)
1059:
1058:
690:
689:
516:Lists of highways
395:Maryland Route 80
129:
128:
16:(Redirected from
1094:
757:
733:National systems
726:
717:
710:
703:
694:
677:Suitland Parkway
629:Highway agencies
551:
545:
509:
500:
493:
486:
477:
469:
468:
467:
447:
433:
419:
405:
391:
332:Highway agencies
252:Maryland Route 2
165:independent city
71:US Highways
47:
42:
37:
30:
21:
1102:
1101:
1097:
1096:
1095:
1093:
1092:
1091:
1062:
1061:
1060:
1055:
1014:
755:
749:
728:
724:
721:
691:
686:
645:
624:
583:
552:
546:
537:
511:
507:
504:
465:
463:
460:
453:
448:
439:
434:
425:
420:
411:
406:
397:
392:
383:
371:
359:
353:
345:
339:
334:
264:
248:
242:
226:
220:
188:
182:
177:
175:Highway systems
50:
28:
23:
22:
15:
12:
11:
5:
1100:
1098:
1090:
1089:
1084:
1079:
1074:
1064:
1063:
1057:
1056:
1054:
1053:
1051:Virgin Islands
1048:
1043:
1038:
1033:
1028:
1026:American Samoa
1022:
1020:
1016:
1015:
1013:
1012:
1007:
1002:
997:
992:
987:
982:
977:
972:
967:
962:
960:South Carolina
957:
952:
947:
942:
937:
932:
927:
925:North Carolina
922:
917:
912:
907:
902:
897:
892:
887:
882:
877:
872:
867:
862:
857:
852:
847:
842:
837:
832:
827:
822:
817:
812:
807:
802:
797:
792:
787:
782:
777:
772:
767:
761:
759:
756:State highways
751:
750:
748:
747:
742:
736:
734:
730:
729:
722:
720:
719:
712:
705:
697:
688:
687:
685:
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679:
674:
669:
664:
659:
653:
651:
650:Other articles
647:
646:
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632:
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623:
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617:
612:
607:
602:
597:
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584:
582:
581:
576:
571:
566:
560:
558:
554:
553:
540:
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535:
530:
525:
519:
517:
513:
512:
505:
503:
502:
495:
488:
480:
474:
473:
459:
456:
455:
454:
449:
442:
440:
435:
428:
426:
423:U.S. Route 113
421:
414:
412:
407:
400:
398:
393:
386:
382:
379:
370:
369:Other agencies
367:
355:Main article:
352:
349:
341:Main article:
338:
335:
333:
330:
329:
328:
324:
295:, such as the
285:
282:
263:
260:
244:Main article:
241:
238:
222:Main article:
219:
216:
184:Main article:
181:
178:
176:
173:
157:unincorporated
127:
126:
125:
124:
119:
114:
109:
103:
102:
92:
91:
87:
86:
83:
77:
76:
73:
67:
66:
63:
57:
56:
52:
51:
48:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1099:
1088:
1085:
1083:
1080:
1078:
1075:
1073:
1070:
1069:
1067:
1052:
1049:
1047:
1044:
1042:
1039:
1037:
1034:
1032:
1029:
1027:
1024:
1023:
1021:
1017:
1011:
1008:
1006:
1003:
1001:
1000:West Virginia
998:
996:
993:
991:
988:
986:
983:
981:
978:
976:
973:
971:
968:
966:
963:
961:
958:
956:
953:
951:
948:
946:
943:
941:
938:
936:
933:
931:
928:
926:
923:
921:
918:
916:
913:
911:
908:
906:
905:New Hampshire
903:
901:
898:
896:
893:
891:
888:
886:
883:
881:
878:
876:
873:
871:
868:
866:
865:Massachusetts
863:
861:
858:
856:
853:
851:
848:
846:
843:
841:
838:
836:
833:
831:
828:
826:
823:
821:
818:
816:
813:
811:
808:
806:
803:
801:
798:
796:
793:
791:
788:
786:
783:
781:
778:
776:
773:
771:
768:
766:
763:
762:
760:
758:
752:
746:
743:
741:
738:
737:
735:
731:
727:
718:
713:
711:
706:
704:
699:
698:
695:
683:
680:
678:
675:
673:
670:
668:
665:
663:
660:
658:
655:
654:
652:
648:
642:
639:
637:
634:
633:
631:
627:
621:
620:700–999
618:
616:
615:600–699
613:
611:
610:500–599
608:
606:
605:400–499
603:
601:
600:200–399
598:
596:
593:
592:
590:
586:
580:
579:900–999
577:
575:
574:800–899
572:
570:
569:700–799
567:
565:
562:
561:
559:
555:
550:
544:
534:
531:
529:
528:U.S. Highways
526:
524:
521:
520:
518:
514:
510:
501:
496:
494:
489:
487:
482:
481:
478:
472:
462:
461:
457:
452:
451:Interstate 95
446:
441:
438:
432:
427:
424:
418:
413:
410:
404:
399:
396:
390:
385:
380:
378:
376:
368:
366:
364:
358:
350:
348:
344:
336:
331:
325:
322:
318:
314:
310:
306:
302:
298:
294:
290:
286:
283:
280:
279:
278:
273:
272:Interstate 81
268:
262:Other systems
261:
259:
257:
253:
247:
239:
237:
235:
231:
230:U.S. Route 40
225:
218:U.S. highways
217:
215:
213:
209:
205:
201:
197:
193:
192:Interstate 95
187:
179:
174:
172:
170:
166:
162:
159:areas in all
158:
154:
150:
149:U.S. Highways
146:
142:
138:
134:
123:
122:Scenic Byways
120:
118:
115:
113:
110:
108:
105:
104:
101:
100:
96:
95:
93:
88:
84:
82:
78:
74:
72:
68:
64:
62:
58:
55:Highway names
53:
46:
41:
36:
31:
19:
965:South Dakota
955:Rhode Island
950:Pennsylvania
930:North Dakota
859:
506:
372:
360:
346:
276:
249:
227:
202:Interstate,
189:
153:incorporated
132:
130:
98:
97:
90:System links
1046:Puerto Rico
1019:Other areas
880:Mississippi
795:Connecticut
595:2–199
564:2–699
161:23 counties
61:Interstates
1066:Categories
995:Washington
915:New Mexico
910:New Jersey
785:California
313:Fort Meade
137:U.S. state
107:Interstate
1005:Wisconsin
970:Tennessee
875:Minnesota
850:Louisiana
327:airports.
169:Baltimore
990:Virginia
940:Oklahoma
920:New York
895:Nebraska
885:Missouri
870:Michigan
860:Maryland
845:Kentucky
825:Illinois
800:Delaware
790:Colorado
780:Arkansas
458:See also
293:parkways
256:unsigned
200:unsigned
141:Maryland
1010:Wyoming
985:Vermont
890:Montana
830:Indiana
810:Georgia
805:Florida
775:Arizona
765:Alabama
381:Gallery
945:Oregon
900:Nevada
840:Kansas
815:Hawaii
770:Alaska
234:US 522
975:Texas
855:Maine
820:Idaho
208:I-170
204:I-595
196:I-295
117:State
81:State
1036:Guam
980:Utah
935:Ohio
835:Iowa
363:I-83
212:I-97
155:and
147:and
131:The
307:or
299:or
167:of
139:of
1068::
171:.
112:US
716:e
709:t
702:v
499:e
492:t
485:v
323:.
20:)
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