42:
2033:
1802:
1562:
775:
702:
627:
470:
1835:
1752:
1526:
1382:
1296:
1189:
1000:
522:
1852:
1534:
1304:
234:
1860:
266:
1958:
1933:
1768:
1651:
1517:
1489:
1441:
1330:
1262:
1180:
1132:
1082:
973:
873:
848:
727:
677:
652:
579:
495:
349:
322:
1983:
1907:
1844:
1760:
1604:
1197:
273:
241:
227:
201:
194:
1725:
1702:
1679:
1466:
1416:
1355:
1287:
1223:
1157:
1107:
1059:
1036:
948:
925:
900:
825:
800:
752:
604:
556:
445:
422:
399:
374:
299:
1900:
1810:
1793:
1611:
1578:
1570:
1390:
1255:
1230:
1008:
530:
2324:, however, traffic rose dramatically, and a new water and coal station was added at Gaither to allow engines to be serviced away from the congestion of Baltimore City. These facilities were closed shortly after the end of the war, and all passenger service ended soon after. In 1959, the line was reduced to
2156:
at the expense of curvature; over the next century, however, to eliminate and bypass the sharp curves that resulted from this decision, bridges and tunnels were constructed. The planes over Parr's Ridge also resulted from this same thinking, and subsequently gained the distinction of becoming one of
2288:
was installed as president of the railroad. Among other projects, he initiated a reassessment of the Old Main Line which led to a project of systematic improvements. Much of the original route and many reroutings were abandoned in favor of new routes along the valley. Many new tunnels were cut, and
2187:
was chief operating engineer, the need to address these deficiencies became acute, and a variety of improvements were made, subject to the railroad's limited resources at the time. All of the granite stringers and strap rail were replaced, and certain realignments were made. Among these was the
2319:
via
Washington, and passenger service on the OML became strictly local. By 1928, only three passenger trains left Baltimore on the OML each day. The area lacked industry, and the granite mines at the east end of the valley did not last, so service declined steadily. During
2143:
in the 1870s. The section of the original route between Relay (where the
Washington Branch began) and Point of Rocks became known as the "Old Main Line" (OML), alluding to its subsidiary status, and continues to be known as the Old Main Line Subdivision in CSX timetables.
2216:
In 1868, a freak storm flooded the
Patapsco and severely damaged the railroad, as well as washing away many of its customers. Most of the railroad was rebuilt, but with many alterations to the surviving structures. For instance, all but one arch of the
2372:
between the OML and the
Metropolitan Branch at Point of Rocks to allow trains traveling between Frederick and Washington to make a direct movement between the two lines. This service remains the only scheduled passenger operation on the OML.
2293:. (Ironically the west end of the spur met the main line at the base of Plane 3, the middle of the western half of the original inclined plane system.) B&O maintained the spur as a loop until 1957, when the eastern end was abandoned.
2192:
were constructed to bypass a sharp curve on the south side of the river. In making these improvements, older structures were simply abandoned. The granite stringers of the original roadbed were simply left in place and buried.
2339:
flooded the valley again, washing out large portions of the line. The B&O considered abandoning the line, and several years passed before service was restored. For many years much of the line remained
2368:
at Point of Rocks, was started in response to the substantial growth of commuters between
Frederick and Washington during the 1990s. Prior to the start of the service, a leg was added to the
2307:. A water and coaling stop was added at Reels Mill to support this. In practice the operation was not successful, and the cutoff was discontinued, though it was not pulled up for decades.
2152:
With railroad technology in its infancy, the engineers of the B&O made many design decisions that quickly proved to be mistaken. For instance, the route was laid out to minimize
2361:
1588:
2289:
new bridges were built along new alignments. In particular, the Mt. Airy Cutoff tunnelled through Parr's Ridge and reduced the old line through Mt. Airy to a
2492:
2669:
2679:
2389:, the area along the line contains an uncommonly large range of early 19th century railroad artifacts and structures, readily accessible to the
2612:
2674:
2631:
2119:) opening for service in 1830. The line left the valley to cross Parr's Ridge, which, after an abortive attempt to use a system of
2415:
2128:
2345:
2088:
211:
2245:
in 1830, Over the years this station was modified and enlarged, and it survives to this day. The next station erected was a
2442:
2256:
and several towns on the Old Main Line received such stations, erected in either wood or brick. The most famous of these,
2158:
2175:
was preferred, although time, expense, and difficulty in obtaining sufficient granite led to the substitution of wooden
1994:
151:
2329:
2104:
2080:
2386:
2184:
2135:
on the way. This line was the only route west out of
Baltimore until the Metropolitan Branch was constructed from
2140:
2092:
2076:
1917:
2252:
In the 1870s and 1880s, the railroad undertook a program of station building. Most of these were designed by
2253:
2116:
2454:
2257:
1876:
2408:
2242:
2036:
456:
41:
2421:
2265:
2124:
1427:
1241:
2381:
After the initial push, the builders of the OML tended to prefer very permanent materials—stone and
2325:
2273:
2269:
2161:
2132:
2084:
1736:
1627:
811:
385:
283:
2654:
2385:—over the wooden structures used elsewhere. And since much of the river valley became part of the
2197:
2060:
1366:
1118:
959:
911:
84:
2474:
2083:, one of the oldest rail lines in the United States. At its east end, it has junctions with the
2627:
2608:
2604:
The Great Road: The
Building of the Baltimore and Ohio, the Nation's First Railroad, 1828-1853
2432:
2401:
2304:
2218:
2040:
1021:
2249:
in
Frederick, built 1831. Another simple station was built in Mt. Airy, which also survives.
2032:
334:
2315:
Following the opening of the
Metropolitan Branch in 1873, the B&O rerouted its through
2336:
2316:
2285:
2246:
2201:
2120:
2068:
1663:
885:
252:
2404:
at
Ilchester (where the foundation of the demolished Ilchester station can also be seen)
2365:
2341:
2261:
2136:
2108:
1501:
124:
2663:
2238:
2226:
2221:
at Ilchester were washed away; the railroad retained the remaining arch to use as an
2153:
2565:
2321:
2205:
2180:
2176:
2172:
2296:
At the west end of the line, the Adamstown Cutoff was built to allow operation of
2602:
2393:. In many places even the granite stringers of the original roadbed can be seen.
96:
17:
2264:
between the OML and the Metropolitan Subdivision. Other stations were built at
2369:
2357:
2300:
2425:
2290:
2112:
2072:
2044:
2429:
2222:
2064:
2056:
68:
46:
Eastbound coal train on the Old Main Line Subdivision at Monrovia in 2011
2356:
The OML saw the return of passenger rail service in December 2001, when
2648:
2390:
2168:
146:
1872:
1623:
2344:(i.e. operating without signals), but eventually the entire line was
2189:
2183:" for much of the route, beginning in the 1840s. In the 1850s, when
2624:
Impossible Challenge: The Baltimore & Ohio Railroad in Maryland
2566:"B&O Old Main Line Photo Tour – Mt. Airy Loop – East"
2031:
2043:
in the United States. Photo taken in 1970, looking south towards
2382:
2297:
177:
2438:
The original Twin Arch Bridge on the Mt. Airy planes alignment
2651:
has extensive photos and maps of OML right-of-way and relics
2547:
2545:
2360:
added service to Frederick via two new stations on the
2123:, was crossed via a more round-about routing through
2328:to increase the clearance through the tunnels, and
95:
90:
80:
75:
64:
56:
51:
34:
8:
2607:. Palo Alto, CA: Stanford University Press.
1533:
1525:
1303:
1295:
2260:, still stands and is still in use in the
2196:B&O built its first tunnel in 1850 at
1759:
1751:
1196:
1188:
166:
132:
2115:, with the first section (to what is now
2414:The remains of the Elysville bridges at
1809:
1801:
1569:
1561:
1389:
1381:
1007:
999:
529:
521:
2589:
2551:
2536:
2524:
2512:
2466:
2364:. The service, which branches from the
2091:; its west end has a junction with the
134:
2039:, built 1830, is the oldest surviving
1851:
1843:
31:
2396:Some of the more notable relics are:
7:
2303:over the OML, minimizing the use of
2188:"Elysville cutoff," where a pair of
2079:, and was once the main line of the
2626:. Baltimore, MD: Barnard, Roberts.
2229:bridge which replaced the viaduct.
1834:
2493:"CSX Baltimore Division Timetable"
2311:Decline and Hurricane Agnes damage
2280:Improvements under Leonor F. Loree
25:
2670:Baltimore and Ohio Railroad lines
2622:Harwood, Herbert H. Jr. (1979).
1981:
1956:
1931:
1905:
1898:
1858:
1850:
1842:
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554:
528:
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493:
469:
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443:
420:
397:
372:
347:
320:
297:
271:
264:
239:
232:
225:
199:
192:
40:
2680:Rail infrastructure in Maryland
1957:
1932:
1650:
1488:
1440:
1329:
1261:
1131:
1081:
972:
872:
847:
726:
676:
651:
578:
494:
348:
321:
233:
2208:in 1865, after the Civil War.
2089:Baltimore Terminal Subdivision
1859:
265:
1:
2157:the first railroad main line
2129:Harper's Ferry, West Virginia
1982:
1906:
1767:
1603:
1516:
1179:
272:
240:
226:
200:
193:
2441:The station and junction at
1724:
1701:
1678:
1465:
1415:
1354:
1286:
1222:
1156:
1106:
1058:
1035:
947:
924:
899:
824:
799:
751:
603:
555:
444:
421:
398:
373:
298:
2330:Centralized Traffic Control
2105:Baltimore and Ohio Railroad
2081:Baltimore and Ohio Railroad
2059:line owned and operated by
1899:
1792:
1610:
1577:
1254:
1229:
2696:
2655:Patapsco Valley State Park
2387:Patapsco Valley State Park
2276:, though not all survive.
2185:Benjamin Henry Latrobe, II
2617:– via Google books.
2241:on the line was built in
2103:The initial route of the
2053:Old Main Line Subdivision
1990:
1975:
1968:
1950:
1943:
1925:
1914:
1892:
1870:
1827:
1818:
1785:
1778:
1742:
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1408:
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1340:
1322:
1315:
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1247:
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1215:
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1149:
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341:
332:
314:
309:
291:
280:
258:
251:
219:
208:
186:
182:
169:
131:
39:
35:Old Main Line Subdivision
2675:CSX Transportation lines
2601:Dilts, James D. (1996).
2093:Metropolitan Subdivision
27:Railway line in Maryland
2479:The RadioReference Wiki
2167:Initially, a system of
2127:. It continued west to
2117:Ellicott City, Maryland
2107:(B&O) followed the
212:Baltimore Terminal Sub.
2649:B&O RR Photo Tours
2570:B&O RR Photo Tours
2475:"OM-Old Main Line Sub"
2455:Industrial archaeology
2332:(CTC) was introduced.
2048:
2424:station (used as the
2067:. The line runs from
2063:in the U.S. state of
2037:Ellicott City Station
2035:
1945:Point of Rocks Tunnel
1634:(South Market Street)
137:Old Main Line in 1917
2148:Initial improvements
1210:Watersville Junction
482:Sucker Branch Bridge
2592:, pp. 160–162.
2539:, pp. 47, 452.
2400:The remains of the
2131:, passing south of
2111:valley west out of
2085:Capital Subdivision
1918:Metropolitan Branch
1883:Washington Junction
1317:Mount Airy Junction
1144:Gillis Falls Bridge
787:Davis Branch Bridge
664:Dorsey’s Run Tunnel
2254:E. Francis Baldwin
2061:CSX Transportation
2049:
1780:Adamstown Junction
1547:Frederick Junction
960:Sykesville Station
85:CSX Transportation
2614:978-0-8047-2629-0
2428:for a well-known
2402:Patterson Viaduct
2219:Patterson Viaduct
2212:The flood of 1868
2041:passenger station
2030:
2029:
2026:
2025:
2022:
2021:
2018:
2017:
1887:
1886:
1638:
1637:
1342:Bush Creek Bridge
1274:Mount Airy Tunnel
985:Sykesville Tunnel
284:Washington Branch
16:(Redirected from
2687:
2647:Steve Okonski's
2637:
2618:
2593:
2587:
2581:
2580:
2578:
2576:
2564:Okonski, Steve.
2561:
2555:
2549:
2540:
2534:
2528:
2522:
2516:
2510:
2504:
2503:
2497:
2489:
2483:
2482:
2471:
2362:Frederick Branch
2317:passenger trains
2233:Station building
2204:was widened for
1985:
1984:
1960:
1959:
1935:
1934:
1909:
1908:
1902:
1901:
1873:
1862:
1861:
1854:
1853:
1846:
1845:
1837:
1836:
1821:Adamstown Cutoff
1812:
1811:
1804:
1803:
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1704:
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1681:
1680:
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1624:
1613:
1612:
1606:
1605:
1589:Frederick Branch
1580:
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1038:
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776:
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728:
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703:
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678:
654:
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639:Brice Run Bridge
629:
628:
606:
605:
581:
580:
558:
557:
532:
531:
524:
523:
507:Union Dam Tunnel
497:
496:
472:
471:
447:
446:
424:
423:
401:
400:
376:
375:
361:Ilchester Bridge
351:
350:
335:Ilchester Tunnel
324:
323:
301:
300:
275:
274:
268:
267:
243:
242:
236:
235:
229:
228:
203:
202:
196:
195:
167:
147:
133:
127:
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117:
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114:
110:
107:
44:
32:
21:
18:Ilchester Tunnel
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2507:
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2472:
2468:
2463:
2451:
2407:The station in
2379:
2354:
2337:Hurricane Agnes
2313:
2286:Leonor F. Loree
2282:
2235:
2214:
2202:Henryton Tunnel
2150:
2121:inclined planes
2101:
1998:
1986:
1971:
1970:Catoctin Tunnel
1966:
1961:
1946:
1941:
1936:
1921:
1910:
1903:
1868:
1863:
1856:
1855:
1848:
1847:
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1823:
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1806:
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1763:
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1705:
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1667:
1664:Ballenger Creek
1659:
1654:
1619:
1614:
1607:
1592:
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1574:
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1399:
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1313:
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1307:
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1200:
1193:
1192:
1183:
1165:
1160:
1145:
1140:
1135:
1115:
1110:
1095:
1094:Woodbine Tunnel
1090:
1085:
1067:
1062:
1044:
1039:
1024:
1017:
1012:
1011:
1004:
1003:
986:
981:
976:
956:
951:
933:
928:
908:
903:
888:
886:Henryton Tunnel
881:
876:
861:
860:Henryton Bridge
856:
851:
836:Marriottsville
833:
828:
808:
803:
788:
783:
778:
760:
755:
740:
735:
730:
715:
714:Line Run Bridge
710:
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685:
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612:
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197:
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138:
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119:
112:
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102:4 ft
101:
47:
28:
23:
22:
15:
12:
11:
5:
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2642:External links
2640:
2639:
2638:
2632:
2619:
2613:
2595:
2594:
2590:Harwood (1979)
2582:
2556:
2554:, p. 174.
2552:Harwood (1979)
2541:
2537:Harwood (1979)
2529:
2525:Harwood (1979)
2517:
2513:Harwood (1979)
2505:
2500:MultimodalWays
2484:
2465:
2464:
2462:
2459:
2458:
2457:
2450:
2447:
2446:
2445:
2443:Point of Rocks
2439:
2436:
2418:
2412:
2411:(now a museum)
2405:
2378:
2375:
2366:Brunswick Line
2353:
2350:
2312:
2309:
2281:
2278:
2258:Point of Rocks
2234:
2231:
2213:
2210:
2171:stringers and
2149:
2146:
2141:Point of Rocks
2137:Washington, DC
2109:Patapsco River
2100:
2097:
2077:Point of Rocks
2028:
2027:
2024:
2023:
2020:
2019:
2016:
2015:
2013:
2011:
2009:
2007:
2005:
2003:
2000:
1999:
1991:
1989:
1987:
1980:
1978:
1976:
1973:
1972:
1969:
1967:
1964:
1962:
1955:
1953:
1951:
1948:
1947:
1944:
1942:
1939:
1937:
1930:
1928:
1926:
1923:
1922:
1915:
1913:
1911:
1904:
1897:
1895:
1893:
1890:
1889:
1885:
1884:
1880:
1879:
1877:Point of Rocks
1869:
1866:
1864:
1857:
1849:
1841:
1840:
1839:
1832:
1830:
1828:
1825:
1824:
1819:
1817:
1815:
1807:
1799:
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1779:
1777:
1774:
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1765:
1757:
1749:
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1734:
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1544:
1541:
1539:
1531:
1523:
1522:
1521:
1514:
1512:
1510:
1507:
1506:
1502:Monocacy River
1500:
1498:
1495:
1493:
1486:
1484:
1482:
1479:
1478:
1475:
1472:
1470:
1463:
1461:
1459:
1456:
1455:
1453:Hartman Tunnel
1452:
1450:
1447:
1445:
1438:
1436:
1434:
1431:
1430:
1425:
1422:
1420:
1413:
1411:
1409:
1406:
1405:
1403:Monrovia Tower
1402:
1400:
1397:
1395:
1387:
1379:
1378:
1377:
1375:
1373:
1370:
1369:
1364:
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1309:
1301:
1293:
1292:
1291:
1284:
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1277:
1276:
1273:
1271:
1268:
1266:
1259:
1252:
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1248:
1245:
1244:
1239:
1236:
1234:
1227:
1220:
1218:
1216:
1213:
1212:
1209:
1207:
1204:
1202:
1194:
1186:
1185:
1184:
1177:
1175:
1173:
1170:
1169:
1166:
1163:
1161:
1154:
1152:
1150:
1147:
1146:
1143:
1141:
1138:
1136:
1129:
1127:
1125:
1122:
1121:
1116:
1113:
1111:
1104:
1102:
1100:
1097:
1096:
1093:
1091:
1088:
1086:
1079:
1077:
1075:
1072:
1071:
1068:
1065:
1063:
1056:
1054:
1052:
1049:
1048:
1045:
1042:
1040:
1033:
1031:
1029:
1026:
1025:
1020:
1018:
1015:
1013:
1005:
997:
996:
995:
993:
991:
988:
987:
984:
982:
979:
977:
970:
968:
966:
963:
962:
957:
954:
952:
945:
943:
941:
938:
937:
934:
931:
929:
922:
920:
918:
915:
914:
909:
906:
904:
897:
895:
893:
890:
889:
884:
882:
879:
877:
870:
868:
866:
863:
862:
859:
857:
854:
852:
845:
843:
841:
838:
837:
834:
831:
829:
822:
820:
818:
815:
814:
809:
806:
804:
797:
795:
793:
790:
789:
786:
784:
781:
779:
772:
770:
768:
765:
764:
761:
758:
756:
749:
747:
745:
742:
741:
738:
736:
733:
731:
724:
722:
720:
717:
716:
713:
711:
708:
706:
699:
697:
695:
692:
691:
688:
686:
683:
681:
674:
672:
670:
667:
666:
663:
661:
658:
656:
649:
647:
645:
642:
641:
638:
636:
633:
631:
624:
622:
620:
617:
616:
613:
610:
608:
601:
599:
597:
594:
593:
591:Daniels Bridge
590:
588:
585:
583:
576:
574:
572:
569:
568:
565:
562:
560:
553:
551:
549:
546:
545:
542:
540:
537:
535:
527:
519:
518:
517:
515:
513:
510:
509:
506:
504:
501:
499:
492:
490:
488:
485:
484:
481:
479:
476:
474:
467:
465:
463:
460:
459:
454:
451:
449:
442:
440:
438:
435:
434:
431:
428:
426:
419:
417:
415:
412:
411:
408:
405:
403:
396:
394:
392:
389:
388:
383:
380:
378:
371:
369:
367:
364:
363:
360:
358:
355:
353:
346:
344:
342:
339:
338:
333:
331:
328:
326:
319:
317:
315:
312:
311:
308:
305:
303:
296:
294:
292:
289:
288:
281:
279:
277:
270:
263:
261:
259:
256:
255:
250:
247:
245:
238:
231:
224:
222:
220:
217:
216:
209:
207:
205:
198:
191:
189:
187:
184:
183:
181:
176:
174:
172:
170:
163:
162:
159:
156:
155:
150:
140:
139:
136:
129:
128:
125:standard gauge
99:
93:
92:
88:
87:
82:
78:
77:
73:
72:
66:
62:
61:
58:
54:
53:
49:
48:
45:
37:
36:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
2692:
2681:
2678:
2676:
2673:
2671:
2668:
2667:
2665:
2656:
2653:
2650:
2646:
2645:
2641:
2635:
2633:0-934118-17-5
2629:
2625:
2620:
2616:
2610:
2606:
2605:
2599:
2598:
2591:
2586:
2583:
2571:
2567:
2560:
2557:
2553:
2548:
2546:
2542:
2538:
2533:
2530:
2527:, p. 39.
2526:
2521:
2518:
2515:, p. 21.
2514:
2509:
2506:
2501:
2494:
2488:
2485:
2480:
2476:
2470:
2467:
2460:
2456:
2453:
2452:
2448:
2444:
2440:
2437:
2434:
2431:
2427:
2423:
2419:
2417:
2413:
2410:
2409:Ellicott City
2406:
2403:
2399:
2398:
2397:
2394:
2392:
2388:
2384:
2376:
2374:
2371:
2367:
2363:
2359:
2351:
2349:
2347:
2343:
2338:
2333:
2331:
2327:
2323:
2318:
2310:
2308:
2306:
2302:
2299:
2294:
2292:
2287:
2279:
2277:
2275:
2271:
2267:
2263:
2259:
2255:
2250:
2248:
2247:freight depot
2244:
2243:Ellicott City
2240:
2232:
2230:
2228:
2227:Bollman truss
2224:
2220:
2211:
2209:
2207:
2203:
2199:
2194:
2191:
2186:
2182:
2179:and heavier "
2178:
2174:
2170:
2165:
2163:
2160:
2155:
2147:
2145:
2142:
2138:
2134:
2130:
2126:
2122:
2118:
2114:
2110:
2106:
2098:
2096:
2094:
2090:
2086:
2082:
2078:
2074:
2070:
2066:
2062:
2058:
2054:
2046:
2042:
2038:
2034:
2014:
2012:
2010:
2008:
2006:
2004:
2002:
2001:
1997:
1996:
1988:
1979:
1977:
1974:
1963:
1954:
1952:
1949:
1938:
1929:
1927:
1924:
1920:
1919:
1912:
1896:
1894:
1891:
1882:
1881:
1878:
1875:
1874:
1865:
1831:
1829:
1826:
1822:
1816:
1789:
1787:
1784:
1773:
1746:
1744:
1741:
1738:
1730:
1721:
1719:
1716:
1707:
1698:
1696:
1693:
1684:
1675:
1673:
1670:
1665:
1656:
1647:
1645:
1642:
1633:
1632:
1629:
1626:
1625:
1616:
1600:
1598:
1595:
1591:
1590:
1583:
1556:
1554:
1551:
1540:
1513:
1511:
1508:
1503:
1494:
1485:
1483:
1480:
1471:
1462:
1460:
1457:
1446:
1437:
1435:
1432:
1429:
1421:
1412:
1410:
1407:
1396:
1376:
1374:
1371:
1368:
1360:
1351:
1349:
1346:
1335:
1326:
1324:
1321:
1310:
1283:
1281:
1278:
1267:
1251:
1249:
1246:
1243:
1235:
1219:
1217:
1214:
1203:
1176:
1174:
1171:
1162:
1153:
1151:
1148:
1137:
1128:
1126:
1123:
1120:
1112:
1103:
1101:
1098:
1087:
1078:
1076:
1073:
1064:
1055:
1053:
1050:
1041:
1032:
1030:
1027:
1023:
1014:
994:
992:
989:
978:
969:
967:
964:
961:
953:
944:
942:
939:
930:
921:
919:
916:
913:
905:
896:
894:
891:
887:
878:
869:
867:
864:
853:
844:
842:
839:
830:
821:
819:
816:
813:
805:
796:
794:
791:
780:
771:
769:
766:
757:
748:
746:
743:
732:
723:
721:
718:
707:
698:
696:
693:
689:Eureka Bridge
682:
673:
671:
668:
657:
648:
646:
643:
632:
623:
621:
618:
609:
600:
598:
595:
584:
575:
573:
570:
561:
552:
550:
547:
536:
516:
514:
511:
500:
491:
489:
486:
475:
466:
464:
461:
458:
457:Ellicott City
450:
441:
439:
436:
427:
418:
416:
413:
404:
395:
393:
390:
387:
379:
370:
368:
365:
354:
345:
343:
340:
336:
327:
318:
316:
313:
310:Orange Grove
304:
295:
293:
290:
286:
285:
278:
262:
260:
257:
254:
246:
223:
221:
218:
214:
213:
206:
190:
188:
185:
179:
175:
173:
171:
168:
165:
164:
158:
157:
153:
149:
148:
145:
142:
141:
135:
130:
126:
120:1,435 mm
100:
98:
94:
89:
86:
83:
79:
74:
70:
67:
63:
59:
55:
50:
43:
38:
33:
30:
19:
2623:
2603:
2585:
2573:. Retrieved
2569:
2559:
2532:
2520:
2508:
2499:
2487:
2478:
2469:
2395:
2380:
2355:
2352:MARC service
2346:re-signalled
2334:
2326:single track
2322:World War II
2314:
2295:
2283:
2251:
2236:
2215:
2206:double track
2195:
2166:
2164:in history.
2162:abandonments
2159:right-of-way
2151:
2102:
2052:
2050:
1992:
1916:
1820:
1713:Buckeystown
1587:
1477:Reel’s Mill
1168:Watersville
1047:Hood’s Mill
739:Davis Tunnel
282:
210:
143:
29:
2575:November 6,
2377:Archaeology
567:Hollofield
97:Track gauge
60:operational
2664:Categories
2461:References
2422:Sykesville
2266:Sykesville
2237:The first
2173:strap rail
2125:Mount Airy
2075:) west to
1690:Lime Kiln
1428:Ijamsville
1242:Mount Airy
2426:prototype
2335:In 1972,
2284:In 1901,
2274:Woodstock
2270:Ilchester
2133:Frederick
2113:Baltimore
2073:Baltimore
2071:(outside
2045:Baltimore
1995:Brunswick
1737:Adamstown
1628:Frederick
812:Woodstock
615:Alberton
386:Ilchester
91:Technical
2449:See also
2430:HO scale
2225:for the
2223:abutment
2198:Henryton
2087:and the
2065:Maryland
2057:railroad
1367:Monrovia
1119:Woodbine
936:Gorsuch
912:Henryton
543:HS Tower
116: in
69:Maryland
52:Overview
2416:Daniels
2391:railfan
2305:helpers
2239:station
2190:bridges
2181:T-rails
2169:granite
2099:History
1070:Morgan
1022:Gaither
160:in 1917
111:⁄
76:Service
2630:
2611:
2272:, and
2200:. The
2154:grades
1888:
1666:Bridge
1639:
1504:Bridge
763:Davis
152:Legend
144:
81:System
65:Locale
57:Status
2496:(PDF)
2433:model
2301:drags
2069:Relay
2055:is a
1871:
1622:
433:Gray
410:Lees
253:Relay
71:, USA
2628:ISBN
2609:ISBN
2577:2009
2420:The
2383:iron
2358:MARC
2342:dark
2298:coal
2291:spur
2177:ties
2051:The
1965:60.1
1940:58.5
1867:58.0
1775:53.9
1732:53.7
1709:51.7
1686:50.0
1658:48.9
1618:43.5
1542:47.5
1496:47.4
1473:46.1
1448:44.1
1423:42.9
1398:40.0
1362:39.5
1337:37.4
1312:33.9
1269:32.6
1237:31.8
1205:30.6
1164:29.5
1139:26.9
1114:26.8
1089:26.5
1066:26.1
1043:24.2
1016:22.9
980:22.4
955:21.6
932:19.7
907:17.9
880:17.8
855:17.7
832:17.1
807:14.6
782:13.8
759:13.3
734:12.9
709:12.8
684:12.7
659:12.1
634:11.6
611:10.9
586:10.6
2370:wye
2262:wye
2139:to
1993:to
563:9.5
538:9.2
502:7.9
477:6.2
452:5.7
429:4.7
406:4.4
381:3.6
356:3.5
329:3.2
306:2.5
248:0.0
2666::
2568:.
2544:^
2498:.
2477:.
2348:.
2268:,
2095:.
178:mi
122:)
2636:.
2579:.
2502:.
2481:.
2435:)
2047:.
118:(
113:2
109:1
106:+
104:8
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
