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By not affecting the existing rail service of the 177 trains per day using the corridor, a risk of loss of ridership was removed that could have occurred in relation to potential delays. Long and short distance travellers were continuously able to get to their destinations as planned, which helped to
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A key component in building the tunnel was the readily available supply of precast deck segments nearby. The project required 1.6 kilometres of girders so Soncin, who was contracted by
Fairmont Developments to construct the extension of Simcoe Street, built a precast facility on site. A total of 153
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corridor has the highest train volume for a single terminus location in North
America. It was necessary to maintain the normal operation schedule of the railway corridor during construction. In order to not cause any disruption to the operation of 16 tracks, construction was scheduled during train
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waterfront within the City of
Toronto. The original rail corridor was a major physical barrier between the downtown and the lakefront where continuous residential, recreational and business developments are occurring. The tunnel reduces the length of vehicular travel time and associated carbon
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Construction of the tunnel began in late 2006 and was carried out in stages. Thin soil cover prohibited the use of bored tunnel and hacked tunnel methods. For each stage the substructure was first constructed within the excavated trenches to the underside of the temporary trestles.
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was quoted saying “The Simcoe Street underpass will improve downtown traffic flow and help provide important services to future development on the lands south of Union
Station. But most importantly, the project will improve access to our waterfront for all Torontonians."
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hotel. The tunnel roof structure is designed to carry all 16 pre-existing railway tracks. The ground structure provides one vehicle lane north bound and two lanes south bound, one bicycle lane and one extra wide pedestrian sidewalk on each side of the tunnel.
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To help protect the environment during construction of the tunnel a
Quality Management Plan was set in place. This plan ensured all waste materials were disposed of according to government regulations. Disposal techniques were also monitored for compliance.
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to ensure the services of 177 daily scheduled trains that passed over the tunnel were maintained. Some trains were temporarily rerouted to adjacent tracks.
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avoid an increase in the use of personal vehicles. A lasting environmental impact after construction is the improved access to the
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the project managers, designers, contract administrators and site engineers, worked with the railway companies including
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girders were produced in three months. Fifty-one girders were post tensioned and 102 girders were normally reinforced.
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According to the city report published in 2014, the underpass was flooded 5 times between 2010 and 2013.
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emissions, and the new ease of access promotes carbon-free travel, i.e., bicycling and walking.
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247:"Commuter traffic will gain new corridor as work done daily underfoot and undercover"
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The Simcoe Street tunnel was officially opened on
September 22, 2009 by Councillor
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Design and construction of the tunnel posed significant challenges as the
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295:"Flooding on Lower Simcoe underpass 'warning sign,' Tory says"
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The Simcoe Street Tunnel while it was under construction.
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and in close proximity to
Toronto Union Station and the
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tunnel is situated in a densely urban site below the
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Bremner Blvd. in
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16:Road tunnel in Toronto, Ontario, Canada
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245:Versace, Vince (February 28, 2008).
188:Lower Simcoe Street underpass murals
359:Buildings and structures in Toronto
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274:"Simcoe Street underpass now open"
212:Hanes, Allison (August 19, 2009).
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249:. Daily Commercial News
335:43.64361°N 79.384583°W
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374:Transport in Toronto
364:Geography of Toronto
340:43.64361; -79.384583
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303:. Retrieved
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172:David Miller
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305:February 4,
253:February 4,
225:February 4,
353:Categories
323:43°38′37″N
280:2011-03-10
199:References
151:GO Transit
135:GO Transit
46:Operation
299:CBC News
182:See also
123:Via Rail
30:Location
25:Overview
74:SkyWalk
66:Toronto
131:Amtrak
51:Opened
33:Canada
38:Start
307:2020
255:2020
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133:and
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149:A
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