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flooding in the tunnel which closed the route to both rail and vehicular traffic. In late March, 2010, a routine inspection of the concrete pipes through which the water is pumped revealed erosion which threatened to cause a sinkhole within the road. The tunnel was closed to vehicular traffic to allow for repair. It re-opened April 22.
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40 million. The middle rail line was removed in the 1990s and the two remaining tracks now serve as the CPR Hamilton
Subdivision and the CPR Brookfield Siding. Townline Tunnel is known locally as the "Stinky Tunnel" due to the strong odor of rotten eggs as one passes through it. The distinct smell of
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Rain and snow falling on the approaches to the tunnel, as well as ground water flow, necessitate the operation of a pumping system to prevent flooding. Water is pumped via pipes located under the road and discharged into the canal. In
February 1985, excessive runoff during a winter thaw caused
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The tunnel provides a sidewalk for pedestrians, two lanes for vehicular traffic, as well as room for three sets of tracks for rail vehicles. It was opened for automobiles on July 13, 1972, and the first train crossed the tunnel on
January 31, 1973.
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The tunnel is 330 metres (1083 ft) long and 35 metres (115 ft) wide. The low grade required for trains makes necessary that each approach to the tunnel stretch be 4 km (2.5
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that is sometimes present in the tunnel is created by dissolving layers of gypsum which are present in the bedrock of the area.
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on each side of the canal. As well, a solid earth plug had to be put into the
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project. Its construction was relatively easy since, like the
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tunnel with a rectangular cross-section. The roof is a
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529:"Townline Tunnel reopens to public Thursday Evening"
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Newspaper clippings about the tunnel's construction
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49:. Unsourced material may be challenged and removed.
486:"Townline Tunnel closed for at least two weeks"
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109:Learn how and when to remove this message
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368:The tunnel was built as a part of the
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462:. Niagara Falls Review. 17 June 2016
47:adding citations to reliable sources
651:Buildings and structures in Welland
357:The Townline Tunnel is a two-cell
16:Tunnel in Welland, Ontario, Canada
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631:Canadian National Railway tunnels
506:Noland, Dan (February 23, 1985).
456:"Pump Stations Contain Heavy Gas"
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34:needs additional citations for
671:1972 establishments in Ontario
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397:Welland Recreational Waterway
133:The tunnel seen from the west
416:Issues with Flooding Control
325:is an underwater tunnel in
317:Length of tunnel approaches
245:January 31, 1973 for trains
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636:Railway tunnels in Ontario
572:/Main Street Lift Bridge (
254:Ministry of Transportation
666:Tunnels completed in 1972
661:Rail transport in Welland
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343:Canadian Pacific Railway
213:Canadian Pacific Railway
641:Road tunnels in Ontario
193:42.960537°N 79.229107°W
380:method could be used.
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243:July 13, 1972 for cars
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198:42.960537; -79.229107
656:Transport in Welland
43:improve this article
359:reinforced concrete
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591:Main Street Tunnel
374:Main Street Tunnel
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299:2 lanes of traffic
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532:. Retrieved
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41:Please help
36:verification
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339:Highway 58A
229:Highway 58A
196: /
171:Coordinates
625:Categories
606:Highway 58
587:Downstream
442:References
353:The tunnel
345:under the
184:79°13′45″W
181:42°57′38″N
69:newspapers
570:Highway 3
337:carrying
260:Technical
235:Operation
99:July 2008
566:Upstream
513:April 2,
491:April 2,
393:viaducts
250:Operator
152:Location
139:Overview
466:2 March
331:Ontario
327:Welland
164:Ontario
160:Welland
83:scholar
534:May 9,
335:Canada
283:Double
278:tracks
265:Length
240:Opened
227:
209:System
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389:miles
304:Width
295:lanes
268:330 m
219:Route
90:JSTOR
76:books
536:2010
515:2010
493:2010
468:2020
321:The
307:35 m
62:news
599:),
293:of
291:No.
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274:No.
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