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Although built to carry two tracks, the viaduct initially carried only one. Following the construction of a branch northwards from
Finchley to Barnet in 1872, the original Edgware route effectively became a branch of the newer line. In the 1920s, the
437:
and a dished invert. The viaduct is made from brick. It is the highest point on both the
Northern line and the highest point on the London Underground above ground level, reaching nearly 60 feet (18 m). It is not, however, the highest
400:
trains used only one of the tracks on the Mill Hill branch and the other track was soon lifted. Freight on the line lasted until 1964 when the line west of Mill Hill East was abandoned, leaving the present arrangement.
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396:
prevented the plans being completed and only the section of the line to Mill Hill East was electrified and reopened in 1941, whilst the High Barnet branch was electrified in 1940. From this point on
300:. This was earlier named Dalys in 1563, (the) Doles 1574, Dallys 1584 and in its current form of Dollis in 1822. This probably meant "the portions or shares of land (in the common field)", from the
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341:(GNR) from 1855 to 1861. The contractor that built the bridge was Smith, Knight & Co. The viaduct came into use on 22 August 1867 with the opening of the GNR's single-track
1384:
385:
led to the doubling and electrification of the lines. This was in preparation for a transfer of the lines to the London
Underground for it to form part of the system's
276:. It is the highest point on the London Underground above ground level, reaching nearly 60 feet (18 m). It is located on a branch that was formerly part of the
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1020:. This is designed to link many green spaces and wildlife corridors along the way and is approximately 10 miles (16 km) long. The geology nearby is of
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381:(LNER, successor to the GNR) planned to electrify the line but work was not carried out until the 1930s when the
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311:, further south. Dollis Hill is thought to mean a "hill associated with a family called Dalley".
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map and the name may have originated from a farm called Dollis, previously in
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358:
461:
439:
354:
253:
109:
1027:
An examination in the late 19th century of the railway cutting between
249:
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1259:"Barnet Council staff walk to talk about the Dollis Valley Green Walk"
1328:
1036:
434:
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113:
1303:
1039:, and these were thought to extend as far northwest as the viaduct.
425:, and over Dollis Road. Each arch spans 32 feet (9.8 m) at the
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367:
1032:
418:
372:
1934 Ordnance Survey map with the location of the viaduct marked
123:
Dollis Brook
Viaduct, Dollis Road Viaduct, Mill Hill Viaduct
307:
The name is not thought to be connected with the area of
1370:
Buildings and structures in the London
Borough of Barnet
1148:
Civil
Engineering Heritage: London and the Thames Valley
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105:
94:
81:
42:
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433:. In each pier there is an opening with an arched
292:which it crosses. The brook was marked on an 1877
1182:. Hersham: Ian Allan Publishing. pp. 10–11.
1150:. London: Thomas Telford Ltd. pp. 167–168.
1390:19th-century architecture in the United Kingdom
1091:. Oxford: Oxford University Press. p. 66.
454:, at 150 metres (490 ft) above sea level.
288:The official name of the viaduct is taken from
1261:. Edgware & Mill Hill Times. 16 April 2009
1283:. The Long Distance Walkers Association. 2008
476:
8:
152:13 arches of 32 feet (9.8 m) span each
1385:Transport infrastructure completed in 1867
508:
483:
469:
20:
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1024:with small amounts of other rock types.
442:on the Underground system, which is near
1082:
1080:
1204:"Hadley Wood News newsletter June 2007"
1141:
1139:
1137:
1135:
1133:
1113:"Panel of Historical Engineering Works"
1076:
466:
7:
1173:
1171:
492:Location of the Dollis Brook Viaduct
343:Edgware, Highgate and London Railway
321:Edgware, Highgate and London Railway
278:Edgware, Highgate and London Railway
1000:Below the viaduct can be found the
16:Railway viaduct in Finchley, London
1089:A Dictionary of London Place Names
421:carry it across the valley of the
14:
601:
260:, United Kingdom. It carries the
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958:
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413:Detailed view of viaduct's piers
379:London and North Eastern Railway
31:
1304:"The Glacial Drift at Finchley"
1302:Walker, Henry (November 1871).
911:
872:
865:
829:
761:
686:
647:
594:
551:
1229:"London Underground Key facts"
1162:Institution of Civil Engineers
1117:Institution of Civil Engineers
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959:
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528:
521:
165:
1:
1209:. Hadley Wood News. June 2007
904:
715:
679:
640:
618:former LNER to Mill Hill East
405:Length, span and architecture
361:, which was authorised by an
937:
930:
897:
858:
836:
822:
800:
793:
786:
747:
722:
708:
672:
633:
608:
565:
329:The viaduct was designed by
1029:Finchley and Hendon station
732:Mill Hill (The Hale) (LNER)
417:The viaduct's 13 segmental
1406:
1375:Railway viaducts in London
657:Totteridge & Whetstone
429:, and is based on tapered
337:, chief engineer for the
318:
1281:"Dollis Valley Greenwalk"
1065:List of bridges in London
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1031:found a large extent of
274:Finchley Central station
37:The Dollis Brook Viaduct
1355:Pictures of the viaduct
1057:London transport portal
1002:Dollis Valley Greenwalk
1006:long-distance footpath
414:
373:
339:Great Northern Railway
270:Mill Hill East station
1146:Smith, Denis (2001).
1087:Mills, A. D. (2004).
1010:Moat Mount Open Space
412:
383:Northern Heights plan
371:
1233:Transport for London
1180:London Railway Atlas
846:Dollis Brook Viaduct
233:, also known as the
231:Dollis Brook Viaduct
25:Dollis Brook Viaduct
1320:1871Natur...5...27W
1178:Brown, Joe (2005).
235:Dollis Road Viaduct
160:60 feet (18 m)
62: /
458:Around the viaduct
415:
374:
262:London Underground
195:Construction start
86:London Underground
66:51.6051°N 0.2022°W
998:
997:
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448:Metropolitan line
392:The start of the
363:Act of Parliament
243:Mill Hill Viaduct
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1329:10.1038/005027c0
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1235:. Archived from
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398:London Transport
394:Second World War
203:Construction end
167:
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71:51.6051; -0.2022
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1110:
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1073:
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1018:Hampstead Heath
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319:Main articles:
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294:Ordnance Survey
286:
252:to the west of
128:Characteristics
70:
68:
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1349:External links
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1239:on 29 May 2007
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810:Mill Hill East
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579:Edgware (LNER)
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452:Chiltern Hills
427:springer level
406:
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335:Walter Brydone
316:
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302:Middle English
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239:Dollis Viaduct
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214:22 August 1867
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1189:0-7110-3137-1
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1157:0-7277-2876-8
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1098:0-19-860957-4
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1038:
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948:
947:East Finchley
943:
927:
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889:Golders Green
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771:West Finchley
767:
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696:Woodside Park
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619:
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584:
582:
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544:unbuilt link
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387:Northern line
384:
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347:Finsbury Park
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325:Northern line
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266:Northern line
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120:Official name
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98:Dollis Road,
97:
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89:Northern line
87:
84:
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45:
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29:
22:
19:
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1297:
1285:. Retrieved
1275:
1263:. Retrieved
1253:
1241:. Retrieved
1237:the original
1223:
1211:. Retrieved
1198:
1179:
1160:– via
1147:
1120:. Retrieved
1107:
1088:
1033:glacial beds
1026:
999:
845:
423:Dollis Brook
416:
391:
375:
328:
306:
290:Dollis Brook
287:
258:North London
242:
238:
234:
230:
228:
149:Total length
100:Dollis Brook
18:
1314:(106): 27.
1022:London Clay
778:Brent Cross
538:High Barnet
331:John Fowler
309:Dollis Hill
304:word dole.
185:John Fowler
69: /
44:Coordinates
1364:Categories
1071:References
345:line from
54:51°36′18″N
1014:Mill Hill
664:Colindale
625:Burnt Oak
450:) in the
365:in 1862.
359:Mill Hill
284:Etymology
57:0°12′08″W
1380:Finchley
1043:See also
1008:between
444:Amersham
440:altitude
355:Finchley
254:Finchley
219:Location
181:Designer
168:of spans
141:Material
110:Finchley
1338:4038910
1316:Bibcode
1037:fossils
513:Edgware
351:Edgware
315:History
250:viaduct
247:railway
245:, is a
176:History
136:Viaduct
95:Crosses
82:Carries
1336:
1308:Nature
1287:21 May
1265:21 May
1243:21 May
1213:21 May
1186:
1154:
1122:21 May
1095:
501:Legend
435:soffit
419:arches
353:, via
298:Hendon
211:Opened
157:Height
133:Design
114:London
106:Locale
1334:S2CID
1207:(PDF)
431:piers
268:from
144:Brick
1289:2009
1267:2009
1245:2009
1215:2009
1184:ISBN
1152:ISBN
1124:2009
1093:ISBN
1035:and
1016:and
1004:, a
357:and
333:and
323:and
229:The
206:1867
198:1863
1324:doi
1012:in
349:to
272:to
264:'s
241:or
166:No.
1366::
1332:.
1322:.
1310:.
1306:.
1231:.
1170:^
1132:^
1115:.
1079:^
389:.
280:.
256:,
237:,
187:,
171:13
112:,
1340:.
1326::
1318::
1312:5
1291:.
1269:.
1247:.
1217:.
1192:.
1164:.
1126:.
1101:.
484:e
477:t
470:v
446:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
