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Connaught Tunnel

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reduced the pusher gradient on the east slope by 7.2 miles (11.6 km), 2.4 miles (3.9 km) less than specified. However, it retained the substantial investment in the bridges at Mountain, Surprise, and Stoney creeks. The tunnel was completed 11 months ahead of schedule and below budget. One calculation of costs listed tunneling $ 4.91M, tunnel track $ 0.16M, approaches $ 0.86M, and ventilation $ 0.11M, totaling $ 6.04M, less the salvage value of the abandoned line $ 1.67M. Extending the concrete lining during 1919–1925 added a further $ 2.60M. The $ 8.64M total is in line with a different calculation of $ 8.45M. In all, the route was shortened by 4.3 miles (6.9 km).
268: 548:. The western side involved penetrating thick mud, extremely hard rock, and finally softer rock. The highest point of the Selkirks track was just inside the western portal. Three steam shovels were based on the west side and one on the east. Death and injury were not uncommon. Mirroring the advance across the pass in the 1880s, concern for the health and safety of workers was not a priority. Beating world monthly tunneling records, the pioneer headings met in December 1915, and the main bores in July 1916. 657:
Beavermouth moved the connection point to Rogers. After the 1988 opening of the Mount Macdonald Tunnel, westbound traffic primarily used that lower gradient route, with Connaught handling eastbound. During the pusher station's existence, six engineers, six maintenance workers, and nine locomotives were based at Rogers. Five-engine units were used on heavy trains carrying grain, coal, and potash. Four-engine units were used on other freights.
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The first commercial train was December 1916, which traveled via Loop Spur, since the pass line remained in use until a few days later. The most northern part of the Loops between the two hillsides, which had been a long trestle, but likely infilled around 1906, needed to be breached by the new line.
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Operating three shifts daily, a pioneer tunnel advanced from each end, from which cross cuts were made to the main tunnel so work could carry on at a number of headings simultaneously. Compressed air equipment, blasting, steam shovels, and narrow-gauge cars were used. At 23 feet (7.0 m) high and
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In 1919, 30 drums of gasoline and kerosene, used by the concrete mixers engaged in the lining operation, ignited. A tunnel watchman, who rushed some distance to the nearest telephone to alert Connaught station at the eastern portal, did not survive. His warning saved the westbound transcontinental,
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emerged in 1929. In 1912, the average of eight trains (peaking at 11) per day in each direction was forecast to double over the next four years. The program to double-track much of the route through the mountains could create a bottleneck at Rogers Pass. Following the 1906–1908 recession, by 1912,
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F.F. Busteed, general superintendent of the Pacific Division, proposed a 5.17-mile (8.32 km) tunnel, which would have shortened the line by 3 miles (4.8 km), reducing the pusher gradient by 10.8 miles (17.4 km) on the east slope and 6.2 miles (10.0 km) on the west one. John G.
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The unacceptably high cost projection scrapped the electrification plan. Instead, ventilation fans were installed. East of the tunnel, the plan for double-tracking to Six-Mile Creek was amended to a level 2.8-mile (4.5 km) single track connecting with the existing line at Stoney Creek. This
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Three schemes were considered. In 1912, Thomas Kilpatrick, superintendent of the Mountain Subdivision, suggested a 7-mile (11 km) tunnel, which would have shortened the line by 4.4 miles (7.1 km), reducing the pusher gradient by 13.8 miles (22.2 km) on the east slope and 6.9 miles
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In 1977, soon after departing the Glacier siding (Mile 85.9), a westbound loaded 109-car coal train lost control, and broadcast a warning that they were travelling too fast to make the curves at Illecillewaet. On hearing the radio message, a 60-car eastbound freight accelerated to safely reach
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The specified alignment would lower the track summit from 4,342 feet (1,323 m) to 3,794 feet (1,156 m), shorten the line by 4.4 miles (7.1 km), reduce the pusher gradient by 9.6 miles (15.4 km) on the east slope and 5.9 miles (9.5 km) on the west one, and eliminate the
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Pusher units cut into westbound freight trains at Beavermouth, before disconnecting at Stoney Creek. On occasions, when pushers worked through to Glacier, crew were required to wear respirators, owing to the tunnel fumes. The tunnel blocked radio communication. The 1974 realignment west of
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was being vented. The incident occurred when the train lost momentum on the steeper grade and stopped with the cars on the bridge. However, restarting on the curve caused the heavier cars at the front and rear of the train to lift the lighter middle cars from the track.
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When partway through the project, rock drillers J. A. McIlwee and Sons encountered an unexpected predominance of crumbly slate, FW&S dismissed the subcontractor, rather than negotiate a contract variance. After several appeals, including a hearing of the
540:. The eastern portal one, housing 200, had only rail access. Both comprised a police post, small hospital, general store, offices, apartments, bunkhouses, kitchen, dining hall, and lounge, with electric lighting and plumbing for water and sanitation. 535:
The primary construction camp was near the western portal, a secondary one was near the eastern portal, and a minor one was at Bear Creek. The western portal one, housing 300, was approached either from Loop Spur or the government road from
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The 1931 flood sent 2,000 replacement ties through the tunnel and filled the west portal cutting to a 20-foot (6.1 m) depth with 10,000 to 12,000 cubic yards (7,600 to 9,200 m) of mud and debris, which took five days to dig out.
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To deal with crumbling rock in the roof, the concrete tunnel lining was extended from 7,837 feet (2,389 m) to 26,512 feet (8,081 m). Prior to the 1925 completion of the project, falling rock killed or injured several workers.
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passenger and freight volumes surpassed records. Whereas passenger train length could increase, freight could not, because of weight capacity limits. Furthermore, the former had priority, causing siding waits for the latter.
1645: 609:, and the following 22 cars, were destroyed on derailing at Mile 94.4. The impact shifted a bridge from its footings and damaged a snow shed. The crew sustained minor injuries. The line remained closed for a week. 448:(11.1 km) on the west one. This alignment would have eliminated the bridges at Mountain, Surprise, and Stoney creeks, but was rejected owing to perceived construction deadlines, and a route beneath the 460:
Sullivan, chief engineer, recommended a 5.3-mile (8.5 km) tunnel, similar to, but more expensive than, the Busteed one. All proposals eliminated the Loops on the west slope of the
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W.J. Hackman (1928–1953) was the first child born in the tunnel. The birth occurred on the westbound CP No. 2. Passenger train. The next birth appears to have occurred in 1939.
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Traffic restrictions imposed by a single track comprising 46 miles (74 km) of 2.2 percent gradients, emerging competition, and snow-related costs, were negative factors. The
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in 1993 to accommodate double-stack container cars with future electrification. This first 24/7 work project undertaken by CP was a significant engineering challenge.
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The stated advantages were three-fold. Primarily, the tunnel lowered the grade; secondly, it shortened the distance; and thirdly, it bypassed an avalanche-prone zone.
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was not a viable contender. Estimates indicated that a tunnel would be cheaper than snow sheds and operational costs for double-tracking the summit.
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Stoney, Surprise, and Mountain creek bridges. The tunnel grade would be 0.95% westward. At the west portal, the route required a diversion of the
1864: 744:, the courts awarded McIlwee about $ 576,000 for breach of contract. At the time, this was the largest single judgement obtained in a BC court. 1268: 480:
for about 1 mile (1.6 km). Let out to tender in April 1913, the bids received were unacceptably high. It was immediately retendered as a
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per train, trains over 1,016 tons had to be cut. Higher capacity locomotives had helped, but the next leap forward would not occur until the
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Illecillewaet siding (Mile 98.1), before three crew members stepped clear of their train. The runaway's three lead locomotives, 45 cars, a
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In 2015, six cars of a westbound freight derailed on Stoney Creek Bridge. The train had diverted to the eastbound route because the
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In 1929, two train crew died when their locomotive fell into the ravine when a girder collapsed on the Surprise Creek Bridge.
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Work crews attempt to right one of four locomotives in a coal train that was derailed by a rock slide near Rogers Pass….
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The three basic options within the Selkirks were to use the Big Bend, double-track the summit, or dig a tunnel. The
642: 411: 352: 606: 537: 387: 1930:…. Mrs. L.W. Wiedenman….gave birth to a healthy baby girl on a CPR train….steaming through the…Connaught Tunnel. 1549: 489: 331: 315: 374:(GTP) posed a threat to CP's grain and Asian trade. Using a single locomotive, GTP could haul 2,041 tons from 1204:"Tracks, Tunnels and Trestles: An Environmental History of the Construction of the Canadian Pacific Railway" 782: 407: 1995: 1730: 1416: 776: 693: 626: 616: 207: 722:(1875) 7.64 km (4.75 mi) as the longest railway tunnel in North America until displaced by the 418:
existed until the 694-foot (212 m) Palliser Tunnel (1906). In 1909, the Spiral Tunnels replaced the
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and its associated grade reductions are other significant features in the mountain history of the CPR.
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shows the summit route details. Only the crest and eastern slope of the tunnel route is underground.
212: 518: 477: 453: 415: 371: 17: 1769: 1585: 1519: 1350: 757: 646: 481: 363: 410:, eliminated the need for pushers. In 1887, after a 500-foot (150 m) tunnel collapsed near 386:, four times the weight CP could haul across the mountains on its main line. The opening of the 1203: 2008: 1964: 1686: 327: 179: 135: 1958: 690:(Mont Cenis) (1871) 13.64 km (8.48 mi), extended (1881) 13.7 km (8.5 mi) 436: 307: 295: 2024: 2003:(second ed.). National and Provincial Parks Association of Canada in cooperation with 1751: 1663: 601:
In 1972 and 1976, the tunnel fans and housing sustained extensive damage on catching fire.
675: 383: 323: 2025:"Rogers Pass a History of the Canadian Pacific Railway and Trans-Canada Highway crossing" 733:, the governor general, the Selkirk Tunnel was renamed the Connaught Tunnel weeks later. 612:
In 1985, a nearby rock slide derailed one of the four locomotives hauling a coal train.
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down the center (replacing the double tracks) provided sufficient clearance for tri-deck
669: 650: 247: 162: 2039: 1980:"A History of the Canadian Pacific Railway in Glacier National Park, B.C., 1884–1930" 1633:….a CP Rail train derailed in the Rogers Pass.... Eight rail cars jumped the tracks…. 1078: 723: 719: 699: 2004: 485: 449: 395: 1979: 514: 569:
then at the station, from proceeding into the tunnel. Nine workers escaped on a
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In 1928, a locomotive boiler explosion killed three crew members near Glacier.
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In 2001, the tunnel was inducted into the North America Railway Hall of Fame.
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The C.P.R.'s capacity and investment strategy in Rogers Pass, B.C., 1882–1916
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came in the 1920s. To improve visibility on the 1929 introduction of the
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from the east portal, and one watchman staggered from the west portal.
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Graphs are unavailable due to technical issues. There is more info on
456:, vulnerable to leakage. The deadline and route fears proved suspect. 394:, the premier destination, prompted greater alarm. The opening of the 559: 1963:. Calgary, Alberta: British Railway Modellers of North America. 406:
In 1902, the 7-mile (11 km) Ottertail Diversion, west from
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was installed. In 1954, diesel locomotives became standard.
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segment. The 5.022-mile (8.082 km) tunnel carries the
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Canadian Pacific in the Selkirks: 100 Years in Rogers Pass
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In 1997, eight cars of a train derailed in the vicinity.
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29 feet (8.8 m) wide, the tunnel would accommodate
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The tunnel was deepened to clearances matched with the
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For the Connaught tunnel in East London, England, see
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University of British Columbia. 1786: 1717: 1705: 1569: 1466: 1436: 1403: 1391: 1379: 1367: 1332: 1320: 1308: 1296: 1166: 1154: 1142: 1107: 1095: 1065: 1053: 1041: 1029: 1017: 1005: 993: 981: 969: 957: 945: 933: 921: 909: 897: 885: 873: 861: 849: 837: 825: 813: 801: 794: 742:Judicial Committee of the Privy Council 590:Approved in 1958, the following year a 556:Repairs, modifications, and emergencies 1197: 1195: 1193: 729:Officially opened in July 1916 by the 49:Eastern portal, Connaught Tunnel, 1916 1536: 7: 1770:"Prince George Citizen, 12 Jun 1980" 1550:"Connaught Tunnel Flood, 5 Sep 1931" 1520:"Prince George Citizen, 19 Jul 1928" 718:However, it took the title from the 672:(1906) 19.80 km (12.30 mi) 2051:Railway tunnels in British Columbia 1225:"New Westminster News, 14 Jan 1914" 684:(1913) 14.61 km (9.08 mi) 678:(1882) 15.00 km (9.32 mi) 18:Connaught Tunnel (British Columbia) 1126:"New Westminster News, 3 Nov 1913" 1079:"John Godfrey Sullivan, 1863-1938" 714:(1916) 8.08 km (5.02 mi) 708:(1909) 8.37 km (5.20 mi) 27:Tunnel in British Columbia, Canada 25: 1818:"The Daily Colonist, 12 Aug 1916" 1502:"The Daily Colonist, 16 Nov 1924" 1491:"The Daily Colonist, 14 May 1921" 1480:"The Daily Colonist, 27 Nov 1919" 1450:"The Daily Colonist, 25 Apr 1919" 1180:"The Daily Colonist, 17 May 1914" 696:(1884) 10.6 km (6.6 mi) 2046:Canadian Pacific Railway tunnels 1202:Longworth, Heather Anne (2009). 731:Prince Arthur, Duke of Connaught 702:(1910) 8.6 km (5.3 mi) 504: 273: 266: 43: 1685:. Sonio Nis Press. p. 31. 358:Rarely assigning more than one 2061:Glacier National Park (Canada) 203: 1: 1901:"Calgary Herald, 24 Jul 1928" 1752:"History of Connaught Tunnel" 1664:"History of Connaught Tunnel" 1604:"Calgary Herald, 16 Oct 1985" 1586:"Runaway on the Mountain Sub" 1417:"Canadian Rail, Jul–Aug 1992" 390:(CNoR) via the Yellowhead to 1922:"Calgary Herald, 9 Feb 1939" 1625:"Vancouver Sun, 29 Mar 1997" 330:. The tunnel, opened by the 320:Canadian Pacific Kansas City 1186:. 1914. p. supplement. 2082: 1987:www.parkscanadahistory.com 1978:Finch, David A.A. (1987). 1800:"Mail Herald, 22 Jul 1916" 1731:"Canadian Rail, June 1973" 1681:Turner, Robert D. (1987). 1247:"Mail Herald, 23 Jan 1915" 1236:"Mail Herald, 31 Jan 1914" 651:multiple aspect signalling 643:Automatic block signalling 353:1910 Rogers Pass avalanche 29: 2056:Tunnels completed in 1916 1946:Backler, Gary G. (1981). 1646:"Golden Star, 8 Jul 2016" 607:remote control locomotive 492:(FW&S) in July 1913. 486:bonus and penalty clauses 388:Canadian Northern Railway 347:Summit route deficiencies 258:3,794 feet (1,160 m) 198:5.02 miles (8.08 km) 175:Primarily freight service 42: 1994:Woods, John G. (1985) . 1865:"Daily News, 7 Nov 1917" 1774:www.pgnewspapers.pgpl.ca 1683:West of the Great Divide 1524:www.pgnewspapers.pgpl.ca 490:Foley, Welch and Stewart 332:Canadian Pacific Railway 178:Some passenger service ( 1887:www.royalbcmuseum.bc.ca 1351:"CP's Connaught Tunnel" 783:Royal eponyms in Canada 322:(CPKC) main line under 777:Mount Macdonald Tunnel 694:Arlberg Railway Tunnel 627:Mount Macdonald Tunnel 617:Mount Macdonald Tunnel 565: 1989:. 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Jul 1916" 1840:www.casostation.ca 1836:"Connaught Tunnel" 1824:. 1916. p. 9. 1629:www.newspapers.com 1608:www.newspapers.com 1497:. 1921. p. 1. 1486:. 1919. p. 9. 1456:. 1919. p. 3. 1280:"Week, 1 Jul 1916" 758:Kicking Horse Pass 688:Fréjus Rail Tunnel 566: 482:cost-plus contract 112:51.3014; -117.4764 682:Lötschberg Tunnel 526: 525: 360:pusher locomotive 328:Selkirk Mountains 283: 262: 261: 255:Highest elevation 180:Rocky Mountaineer 136:Selkirk Mountains 16:(Redirected from 2073: 2032: 2018: 2002: 1990: 1984: 1974: 1953: 1933: 1932: 1918: 1912: 1911: 1897: 1891: 1890: 1879: 1873: 1872: 1861: 1850: 1844: 1843: 1832: 1826: 1825: 1814: 1808: 1807: 1796: 1790: 1784: 1778: 1777: 1766: 1760: 1759: 1756:www.trainweb.org 1748: 1742: 1741: 1738:www.exporail.org 1735: 1727: 1721: 1715: 1709: 1703: 1697: 1696: 1678: 1672: 1671: 1668:www.trainweb.org 1660: 1654: 1653: 1642: 1636: 1635: 1621: 1615: 1614: 1600: 1594: 1593: 1582: 1573: 1567: 1558: 1557: 1554:www.trainweb.org 1546: 1540: 1534: 1528: 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294:Location in 773:Rogers Pass 515:Phabricator 336:Rogers Pass 220:Track gauge 140:Rogers Pass 110: / 98:117°28′35″W 84:Coordinates 75:Rogers Pass 2040:Categories 1940:References 1804:www.ubc.ca 1537:Finch 1987 1284:www.ubc.ca 1273:www.ubc.ca 1262:www.ubc.ca 1251:www.ubc.ca 1240:www.ubc.ca 1229:www.ubc.ca 1130:www.ubc.ca 775:, and the 769:Field Hill 661:Notability 462:pass route 450:headwaters 312:Revelstoke 95:51°18′05″N 789:Footnotes 634:Operation 392:Vancouver 310:, on the 190:Technical 169:Character 146:Operation 1997:Snow War 765:Big Hill 751:See also 420:Big Hill 412:Palliser 376:Edmonton 239: in 138:, below 70:Location 55:Overview 1085:. 1981. 571:handcar 517:and on 484:, with 452:of the 443:Tunnels 342:History 326:in the 234:⁄ 163:Railway 159:Traffic 132:Crosses 2011:  1967:  1689:  431:Routes 382:, via 316:Donald 213:Single 208:tracks 195:Length 151:Opened 127:Active 124:Status 2001:(PDF) 1983:(PDF) 1734:(PDF) 1420:(PDF) 1207:(PDF) 408:Field 2009:ISBN 1965:ISBN 1687:ISBN 756:The 528:The 302:The 154:1916 64:CPKC 60:Line 767:), 422:. 378:to 206:of 204:No. 2042:: 2027:. 2007:. 1985:. 1924:. 1903:. 1885:. 1867:. 1856:. 1838:. 1820:. 1802:. 1772:. 1754:. 1736:. 1666:. 1648:. 1627:. 1606:. 1588:. 1577:^ 1562:^ 1552:. 1522:. 1504:. 1493:. 1482:. 1452:. 1422:. 1353:. 1340:^ 1282:. 1271:. 1260:. 1249:. 1238:. 1227:. 1209:. 1192:^ 1182:. 1128:. 1115:^ 1081:. 771:, 598:. 464:. 338:. 245:) 2031:. 2017:. 1973:. 1889:. 1842:. 1758:. 1695:. 1670:. 1592:. 1556:. 521:. 314:– 241:( 236:2 232:1 229:+ 227:8 182:) 77:. 34:. 20:)

Index

Connaught Tunnel (British Columbia)
Eastern Counties and Thames Junction Railway

CPKC
Rogers Pass
Coordinates
51°18′05″N 117°28′35″W / 51.3014°N 117.4764°W / 51.3014; -117.4764
Selkirk Mountains
Rogers Pass
Railway
Rocky Mountaineer
tracks
Single
Track gauge
standard gauge
Connaught Tunnel is located in British Columbia
class=notpageimage|
British Columbia
British Columbia
Revelstoke
Donald
Canadian Pacific Kansas City
Mount Macdonald
Selkirk Mountains
Canadian Pacific Railway
Rogers Pass
1910 Rogers Pass avalanche
pusher locomotive
Selkirk locomotives
Grand Trunk Pacific

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