|
The Turcot Interchange is a three-level stack freeway interchange within the city of Montreal, Quebec, Canada. Located southwest of downtown, the interchange links highways 15 (Décarie Expressway), 20 (Remembrance Highway), and 720 (Ville-Marie Expressway), and provides access to the Champlain Bridge. It takes its name from the former Turcot rail yards over which it was built. Turcot is the largest interchange in the province and the third busiest interchange of Montreal (after Décarie and Anjou, respectively) as of 2010, with numbers averaging a north-southbound flow of 278,000 approximate daily drivers, and over 350,000 west-eastbound in total. Moreover, Turcot is an occasional spot for road accidents as speed is only limited to 70 km/h on any of the interchange's directions (and the limit is often likely to be disregarded by the night drivers going over 100 km/h). Measures were recently undertaken by Transports Quebec to install speed cameras southward of the interchange, with a speed limit of 70 km/h, which only partially helped resolve the situation. == History == The interchange was projected as part of the first Montreal highway in 1958 and planned to bind it to the Decarie freeway, also designed at the same time. Construction started in October 1965 and Turcot was built in time for the 1967 Montreal Expo, along with other big projects such as the Montreal Metro. Upon its erection, an old railroad yard belonging to the Grand Trunk Company (today merged into Canadian National) served as location for the interchange and was shortened by 25%, which required the demolition of a roundhouse. In 1969, upon reviewing the situation, city authorities concluded that the project abused of unnecessary space and could have co-existed perfectly alongside the buildings that were otherwise demolished (including some 20 residences). When originally constructed, the interchange was built high above the ground because of the cliff existing between the Upper Lachine domain and the Turcot sorting yard overtaking the old Saint-Pierre Lake basin. The highest point of the interchange, 62,5 meters, is located in its southern part over the Lachine Canal, which was built considering the accommodation for passing ships, even though the Canal closed its waterway operations just 3 years later, in 1970. Mean high of the interchange is some 40 meters, however, which, at the time of its inauguration, was considered to be both the highest freeway interchange in all of Canada, and a dramatic demonstration of Montreal's status as a modern global metropolis at the time. The construction of the freeway junction was said to be rushed during the 1960s boom, with a lack of drainage and permeable concrete, and is now in poor condition, with pieces of concrete slabs falling from overpass structures.〔()〕 In 2000, more than 300,000 vehicles used the interchange on a daily basis, far more than what it was designed to carry (50,000-60,000 vehicles ). Since 2010, the interchange became subject to major repairs of the most heavily-accessed ramps. During the summer of 2011, over 2.7 km worth of lanes were restored, repaved and returned to safely accessible condition for larger vehicles. The repairs are slated to continue into 2018, and will likely remain a complication for the drivers until the new body of the A-20 is opened. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Turcot Interchange」の詳細全文を読む スポンサード リンク
|