484:
349:
472:
496:
401:
565:
ramp from southbound MD 355 to
Montrose Road. MD 187 was expanded to a multi-lane divided highway from MD 355 south to Alta Vista concurrent with the 1967 relocation. The divided highway was extended south to its present southern end north of Huntington Parkway in 1968. MD 187 was made one-way northbound between MD 355 and Woodmont Avenue by 1999. The highway's interchange with I-270 was reconstructed from a standard diamond to its present form with ramps to and from Rockledge Boulevard in 2002. The northern terminus of MD 187 was cut back to its current location on July 13, 2016 when the portion of Old Georgetown Road between Executive Boulevard and MD 355 was transferred to county maintenance.
553:
26:
809:
803:
729:
679:
660:
623:
618:
273:
258:
121:
94:
89:
723:
673:
895:
667:
654:
815:
797:
755:
143:
132:
1688:
561:
bituminous shoulder in 1948. The highway's original diamond interchange with the
Washington National Pike (now I-270) was built between 1957 and 1959. MD 187 was the southern end of the freeway from then until it was extended to Rockville Pike in 1960. The highway's interchange with I-495 was completed in 1964.
971:
560:
MD 187 was widened with a pair of 3-foot-wide (0.91 m) concrete shoulders from
Bethesda to Alta Vista between 1924 and 1926. That same stretch was widened with another concrete shoulder and resurfaced in 1940. MD 187 was widened a third time in downtown Bethesda with a 9-foot-wide (2.7 m)
440:
Bike lanes exist in both the northbound and southbound directions between Cedar Lane and
Nicholson Lane. The 5-foot-wide lanes have an additional 2-foot-wide safety buffer between them and the travel lanes. These lanes were installed in 2020 between Cedar Lane and Ryland Drive, in part because of
564:
MD 187 was relocated to an orthogonal intersection with MD 355 at its northern end in 1967. This replaced an acute intersection with MD 355 north of
Montrose Road now named Hoya Street. The old alignment remained in the state highway system until 1987 when the part north of Montrose Road became a
376:
street to
Woodmont Avenue. Southbound MD 187 traffic is required to turn north or south onto Woodmont Avenue. Woodmont Avenue, which becomes a southbound one-way street at the intersection, leads to Montgomery Lane, which provides access to MD 355 and eastbound MD 410 (Montgomery Avenue). MD 187
420:
shopping mall. North of
Democracy Boulevard, MD 187 meets I-270 (Eisenhower Memorial Highway) at an extended diamond interchange whose ramps also connect with Rockledge Boulevard. The highway intersects Tuckerman Lane north of I-270 and continues northeast toward the White Flint area of North
882:
MD 187B is the designation for the 0.08-mile (0.13 km) section of
Rockledge Drive within MD 187's interchange with I-270 in North Bethesda. The state highway was designated in 2002 when the highway's interchange with I-270 was completed.
544:
road by
Montgomery County with state aid by 1910. MD 187 was extended to what is now Democracy Boulevard in 1924. The highway was extended as a macadam road to Tuckerman Lane in 1928. MD 187 was completed with a concrete section northeast to
421:
Bethesda. At its intersection with
Executive Boulevard, MD 187 reaches its northern terminus, with Old Georgetown Road curving to the east as a county road and heading toward an intersection with MD 355 (Rockville Pike) just north of the
348:
539:
that bypassed MD 187's portion of the Rockville–Georgetown highway. The portion of Old Georgetown Road from that turnpike (now MD 355) in Bethesda to the community of Alta Vista at Cedar Lane was paved as a
483:
340:
were built in the late 1950s and early 1960s, respectively; the former interchange was reconstructed in the early 2000s. The northern terminus was cut back from MD 355 to Executive Boulevard in 2016.
459:
runs roughly parallel to Old Georgetown Road from Bethesda to White Flint. Between NIH and Charles Street the trail is co-located with the sidewalk on the east side of Old Georgetown Road.
495:
385:(Wilson Lane), Arlington Road, and St. Elmo Avenue and leaves downtown Bethesda. The state highway veers north and becomes a six-lane divided highway north of Huntington Parkway at
328:. The highway was paved through Bethesda by 1910. The remainder of MD 187 was constructed in the mid- to late 1920s. The highway was relocated at its northern end and expanded to a
471:
462:
There is a network of signed bike route to the west of Old Georgetown Road from Democracy Blvd to downtown Bethesda with multiple signed connections to Old Georgetown Road.
997:
1072:
1549:
1529:
1495:
1470:
1450:
1416:
1280:
1260:
1213:
1193:
1051:
1030:
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1737:
429:
226:
1006:
56:
865:
441:
the July 2019 death of a 17-year-old boy near Beech Avenue. The bike lanes were extended in 2022 north to Nicholson Lane.
1761:
1161:
236:
412:
with I-495 (Capital Beltway). The state highway intersects Democracy Boulevard, a county highway that heads west past
231:
400:
823:
758:
337:
135:
1724:
1114:
1719:
393:
campus. MD 187 intersects several entrances to the federal campus and passes to the east of the tiny village of
241:
516:
390:
535:
in 1755. The Rockville and Georgetown Turnpike, which opened in 1818, included a descent into the valley of
574:
369:
325:
199:
324:. MD 187 is a four- to six-lane highway that runs parallel to MD 355 through suburban areas of southern
536:
413:
1667:
1650:
1611:
1569:
930:
819:
333:
146:
1517:(Map) (1965 ed.). 1:24,000. 7 1/2 Minute Series (Topographic). United States Geological Survey.
1438:(Map) (1965 ed.). 1:24,000. 7 1/2 Minute Series (Topographic). United States Geological Survey.
784:
321:
150:
831:
766:
704:
520:
218:
1326:
Map of Maryland Showing State Road System: State Aid Roads and Improved County Road Connections
456:
422:
1736:
1628:
1586:
947:
899:
378:
1324:
1073:"Residents called for safety measures on Old Georgetown Road. Then the bike lanes showed up"
528:
524:
417:
8:
827:
762:
737:
696:
532:
512:
409:
16:
State highway in Montgomery County, Maryland, United States, known as Old Georgetown Road
552:
1389:
1365:
1341:
1300:
1236:
742:
Eastern terminus of MD 188; no direct access from eastbound MD 188 to northbound MD 187
733:
692:
684:
634:
626:
605:
449:
382:
317:
313:
309:
276:
261:
124:
105:
101:
97:
709:
Southbound direction of MD 187 ends; southbound traffic must turn onto Woodmont Avenue
452:(station 32048) and the other is across from NIH at Southwick Street (station 32039).
1728:
1157:
774:
770:
445:
394:
386:
700:
688:
630:
365:
361:
357:
1364:
Reindollar, Robert M.; George, Joseph M.; McCain, Russell H. (February 15, 1949).
1154:
Braddock's Road: Mapping the British Expedition from Alexandria to the Monongahela
1241:(1924–1926 ed.). Baltimore: Maryland State Roads Commission. pp. 42, 90
373:
329:
1746:
640:
Southern terminus; western terminus of MD 410; MD 187 begins one-way northbound
546:
1388:
Bonnell, Robert O.; Bennett, Edgar T.; McMullen, John J. (December 15, 1958).
736:
west (Wilson Lane) / Arlington Road south / St. Elmo Avenue north –
1755:
1305:(1927–1930 ed.). Baltimore: Maryland State Roads Commission. p. 220
1031:"New bike lane coming to Montgomery Co. road where teen cyclists were struck"
297:
179:
1394:(1957–1958 ed.). Baltimore: Maryland State Roads Commission. p. 52
1370:(1947–1948 ed.). Baltimore: Maryland State Roads Commission. p. 19
1346:(1939–1940 ed.). Baltimore: Maryland State Roads Commission. p. 27
1093:
1131:
1693:
976:
381:
that passes through a five-way intersection with the eastern terminus of
1177:
Hirschman, Carolyn (January 24, 2000). "Progress Clogs Rockville Pike".
489:
Bikeshare Station: Old Georgetown Road and Southwick Street in Bethesda
1340:
Whitman, Ezra B.; Webb, P. Watson; Thomas, W. Frank (March 15, 1941).
1005:(Map). Federal Highway Administration. October 1, 2012. Archived from
448:
stations on Old Georgetown Road, one is at its southern terminus with
372:
in downtown Bethesda. The state highway heads northwest as a two-lane
332:
over most of its length in the late 1960s. MD 187's interchanges with
1648:
1609:
1567:
1527:
928:
556:
Southern terminus of MD 187 at MD 355 and MD 410 in downtown Bethesda
1235:
Mackall, John N.; Darnall, R. Bennett; Brown, W.W. (January 1927).
377:
heads northwest from Woodmont Avenue as a four-lane highway with a
301:
189:
1299:
Uhl, G. Clinton; Bruce, Howard; Shaw, John K. (October 1, 1930).
541:
1547:
1493:
1468:
1448:
1414:
719:
25:
1282:
Map of Maryland: Showing State Road System and State Aid Roads
1262:
Map of Maryland: Showing State Road System and State Aid Roads
1215:
Map of Maryland: Showing State Road System and State Aid Roads
360:) and westbound MD 410 (East–West Highway) next to the
855:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
511:
Old Georgetown Road is part of the original highway between
501:
Bethesda Trolley Trail along Old Georgetown Road in Bethesda
1649:
Highway Information Services Division (December 31, 2016).
1610:
Highway Information Services Division (December 31, 2002).
1568:
Highway Information Services Division (December 31, 1999).
929:
Highway Information Services Division (December 31, 2013).
1322:
1278:
1258:
1211:
1191:
404:
MD 187 (Old Georgetown Road) at Kingswood Road in Bethesda
1170:
1052:"Teen cyclist dies after being struck by car in Bethesda"
1537:(Map). Baltimore: Maryland State Highway Administration.
1238:
Annual Reports of the State Roads Commission of Maryland
1387:
1363:
990:
1605:
1603:
1507:
966:
964:
1681:
1428:
1234:
741:
1557:(Map). Baltimore: Maryland State Roads Commission.
1503:(Map). Baltimore: Maryland State Roads Commission.
1478:(Map). Baltimore: Maryland State Roads Commission.
1458:(Map). Baltimore: Maryland State Roads Commission.
1424:(Map). Baltimore: Maryland State Roads Commission.
1230:
1228:
477:Bike lanes at Old Georgetown Road and Beech Avenue
308:, the highway runs 5.32 miles (8.56 km) from
1642:
1600:
1561:
1339:
1156:. Charleston, SC: The History Press. p. 27.
961:
1753:
1391:Report of the State Roads Commission of Maryland
1367:Report of the State Roads Commission of Maryland
1343:Report of the State Roads Commission of Maryland
1302:Report of the State Roads Commission of Maryland
1381:
1357:
1333:
1292:
1225:
847:Executive Boulevard / Old Georgetown Road north
432:as a principal arterial for its entire length.
1528:Maryland State Highway Administration (1987).
1145:
924:
922:
920:
918:
916:
914:
389:, which sits opposite the southern end of the
356:MD 187 begins at an intersection with MD 355 (
1329:(Map). Baltimore: Maryland Geological Survey.
1288:(Map). Baltimore: Maryland Geological Survey.
1268:(Map). Baltimore: Maryland Geological Survey.
1221:(Map). Baltimore: Maryland Geological Survey.
1201:(Map). Baltimore: Maryland Geological Survey.
1023:
999:National Highway System: Washington, DC-MD-VA
1298:
1181:. Washington, DC: News World Communications.
1065:
1044:
1489:
1487:
1485:
1410:
1408:
911:
1741:
1176:
435:
1738:Template:Attached KML/Maryland Route 187
1548:Maryland State Roads Commission (1968).
1541:
1521:
1494:Maryland State Roads Commission (1967).
1482:
1469:Maryland State Roads Commission (1964).
1462:
1449:Maryland State Roads Commission (1960).
1442:
1415:Maryland State Roads Commission (1959).
1405:
1316:
1272:
1252:
1205:
1185:
551:
399:
347:
1655:. Maryland State Highway Administration
1616:. Maryland State Highway Administration
1574:. Maryland State Highway Administration
935:. Maryland State Highway Administration
1754:
1075:. Bethesda Magazine. December 27, 2022
531:, prior to the start of the ill-fated
519:. This course was used by portions of
1151:
846:
840:
794:
788:
752:
746:
713:
650:
644:
615:
609:
162:Executive Boulevard in North Bethesda
44:Maryland Route 187 highlighted in red
1767:Roads in Montgomery County, Maryland
408:MD 187 enters North Bethesda at its
343:
1323:Maryland Geological Survey (1930).
1279:Maryland Geological Survey (1928).
1259:Maryland Geological Survey (1927).
1212:Maryland Geological Survey (1921).
1192:Maryland Geological Survey (1910).
826:east / Rockledge Drive –
425:along Washington Metro's Red Line.
352:View north along MD 187 in Bethesda
13:
877:
592:
14:
1778:
1710:
822:(Eisenhower Memorial Highway) to
397:at its junction with Cedar Lane.
893:
813:
807:
801:
795:
753:
727:
721:
695:east (Montgomery Avenue) –
677:
671:
665:
658:
652:
621:
616:
568:
494:
482:
470:
466:Bicycle Infrastructure on MD 187
320:north to Executive Boulevard in
271:
256:
141:
130:
119:
92:
87:
66:5.04 mi (8.11 km)
24:
1551:Maryland: Official Highway Map
1531:Maryland: Official Highway Map
1497:Maryland: Official Highway Map
1472:Maryland: Official Highway Map
1452:Maryland: Official Highway Map
1418:Maryland: Official Highway Map
1124:
1107:
1086:
1:
1134:. Montgomery County, Maryland
905:
586:
391:National Institutes of Health
1115:"Bethesda Trolley Trail Map"
7:
1054:. WTOP News. August 1, 2019
886:
10:
1783:
1762:State highways in Maryland
1652:Highway Location Reference
1613:Highway Location Reference
1571:Highway Location Reference
932:Highway Location Reference
506:
414:Walter Johnson High School
1515:Kensington, MD quadrangle
1152:Baker, Norman L. (2013).
900:Maryland Roads portal
854:
849:
843:
835:
791:
783:
778:
761:(Capital Beltway) –
749:
716:
708:
647:
639:
637:(East–West Highway)
612:
604:
599:
596:
591:
585:
582:
249:
214:
209:
205:
195:
185:
175:
170:
166:
158:
111:
83:
78:
70:
62:
54:
49:
42:
37:
21:
1436:Rockville, MD quadrangle
1033:. WTOP News. May 4, 2020
861:
428:MD 187 is a part of the
1094:"Capital Bikeshare Map"
573:The entire route is in
521:General Edward Braddock
430:National Highway System
219:Maryland highway system
557:
549:(now MD 355) in 1929.
457:Bethesda Trolley Trail
436:Bicycle infrastructure
423:North Bethesda station
405:
353:
1689:"Maryland Route 187B"
555:
403:
379:center left-turn lane
351:
300:in the U.S. state of
1742:KML is from Wikidata
1179:The Washington Times
972:"Maryland Route 187"
529:Cumberland, Maryland
525:Alexandria, Virginia
418:Westfield Montgomery
1012:on January 11, 2014
683:Woodmont Avenue to
533:Braddock Expedition
410:diamond interchange
306:Old Georgetown Road
113:Major intersections
38:Old Georgetown Road
558:
406:
354:
290:Maryland Route 187
31:Maryland Route 187
1669:Montgomery County
1630:Montgomery County
1588:Montgomery County
1132:"Bike Map Viewer"
949:Montgomery County
875:
874:
866:Incomplete access
850:Northern terminus
771:Northern Virginia
575:Montgomery County
446:Capital Bikeshare
387:Suburban Hospital
344:Route description
326:Montgomery County
287:
286:
283:
282:
50:Route information
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689:Wisconsin Avenue
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631:Wisconsin Avenue
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366:Washington Metro
362:Bethesda station
358:Wisconsin Avenue
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1747:MDRoads: MD 187
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1195:Map of Maryland
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1117:
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927:
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878:Auxiliary route
871:
864:
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814:
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589:
571:
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346:
330:divided highway
272:
270:
257:
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93:
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79:Major junctions
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1163:978-1626191143
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1120:. MCDOT. 2009.
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779:I-495 Exit 36
776:
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767:Silver Spring
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1698:. Retrieved
1692:
1683:
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1657:. Retrieved
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1618:. Retrieved
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1307:. Retrieved
1301:
1294:
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1187:
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1136:. Retrieved
1126:
1109:
1098:. Retrieved
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1077:. Retrieved
1067:
1056:. Retrieved
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1035:. Retrieved
1025:
1014:. Retrieved
1007:the original
998:
992:
981:. Retrieved
975:
948:
937:. Retrieved
931:
881:
863:
836:I-270 Exit 1
597:Destinations
572:
563:
559:
510:
461:
454:
443:
439:
427:
407:
355:
336:(I-270) and
305:
293:
289:
288:
217:
74:1927–present
1694:Google Maps
977:Google Maps
304:. Known as
138:in Bethesda
127:in Bethesda
1756:Categories
1700:2011-05-15
1659:2017-08-29
1620:2013-09-02
1578:2013-09-02
1398:2013-09-02
1374:2013-09-02
1350:2013-09-02
1309:2013-09-02
1245:2013-09-02
1138:2021-05-01
1100:2021-05-01
1096:. Lyft Inc
1079:2022-12-29
1058:2021-04-17
1037:2021-04-17
1016:2015-01-13
983:2011-05-15
939:2013-09-02
906:References
701:Washington
537:Rock Creek
517:Georgetown
227:Interstate
200:Montgomery
828:Frederick
763:Baltimore
738:Glen Echo
697:Rockville
691:) /
633:) /
513:Rockville
1720:KML file
887:See also
606:Bethesda
583:Location
416:and the
370:Red Line
318:Bethesda
302:Maryland
196:Counties
190:Maryland
171:Location
106:Bethesda
100: /
1691:(Map).
974:(Map).
775:Fairfax
542:macadam
507:History
395:Oakmont
374:one-way
296:) is a
176:Country
71:Existed
1160:
734:MD 188
693:MD 410
685:MD 355
635:MD 410
627:MD 355
450:MD 355
383:MD 188
364:along
314:MD 410
310:MD 355
294:MD 187
277:MD 188
262:MD 186
125:MD 188
102:MD 410
98:MD 355
63:Length
1673:(PDF)
1634:(PDF)
1592:(PDF)
1555:(PDF)
1535:(PDF)
1501:(PDF)
1476:(PDF)
1456:(PDF)
1422:(PDF)
1286:(PDF)
1266:(PDF)
1219:(PDF)
1199:(PDF)
1118:(PDF)
1010:(PDF)
1003:(PDF)
953:(PDF)
824:I-495
820:I-270
759:I-495
600:Notes
527:, to
338:I-495
237:State
186:State
147:I-270
136:I-495
57:MDSHA
1729:help
1725:edit
1158:ISBN
844:8.11
841:5.04
792:6.05
789:3.76
750:4.25
747:2.64
717:0.50
714:0.31
648:0.27
645:0.17
613:0.00
610:0.00
515:and
455:The
312:and
368:'s
316:in
149:in
104:in
1758::
1727:•
1602:^
1484:^
1407:^
1227:^
963:^
913:^
830:,
773:,
769:,
765:,
703:,
699:,
593:km
587:mi
577:.
269:→
254:←
232:US
1731:)
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687:(
629:(
292:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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