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HISTORY Construction began on two portions of Highway 401 before the end of (east of Toronto ) to Oshawa , bypassing the Kingston Road ( Highway 2 ), and the scenic highway from Gananoque to Brockville , also bypassing a portion of Highway 2. The former was built because of heavy traffic between Toronto and Oshawa, and the latter to connect with the Thousand Islands Bridge (opened 1937). Department Of Highways, Ontario , Annual Report for the Fiscal Year Ending March 31st, 1940, p. 17 In late 1941 or early 1942, the scenic highway was opened to local traffic as a Gravel Road , Department Of Highways, Ontario , Annual Report for the Fiscal Year Ending March 31st, 1942, p. 9 and numbered '''Highway 2S'''. Paving of the south side, the future eastbound lanes, was completed several years later. Construction of the first segment of the highway (originally designated Highway 2A ) from Highland Creek (Scarborough) to Oshawa was initiated in 1938. The highway was designed to bypass a congested section of nearby Highway 2 . Much of the grading and a number of structures were completed before the onset of the Second World War , at which time most of the construction work was shut down. This section was finally completed and opened to traffic in 1947. During the war years, the provincial government undertook a number of surveys and studies to determine the most desirable route for the new limited-access highway. The highway was redesignated "Highway 401" in 1952. The last segment, between Gananoque and Brockville , was completed in 1968 to bypass a section along the St. Lawrence River that included at-grade intersections and private entrances, now called the " Thousand Islands Parkway ". The last at-grade intersection on the present alignment was at Joyceville Road, east of Kingston, which was converted to an interchange with the final 1968 construction. In 1964, Highway 401 was diverted from its former alignment in Windsor, Ontario along what is now Dougall Parkway , to its current terminus with Highway 3 . The former alignment became Highway 401A (a secret designation, much like Highway 400A in Barrie . At this time, Highway 401 was also twinned from Windsor (interchange with Highway 98 , now Provincial Road) to the eastern interchange with Highway 2 in Tilbury , with two new lanes being constructed north of the existing lanes. The new carriageway became the westbound lanes, while the original two-lane carriageway became the east-bound lanes. This twinning from Windsor to Tilbury was completed in 1965. By 1968, all of Highway 401 was twinned to a minimum of four lanes. In 1965, Premier Of Ontario John Robarts designated Highway 401 the "Macdonald-Cartier Freeway", in honour of Sir John A. Macdonald and Sir George-Étienne Cartier , the Province Of Canada 's most important Fathers Of Confederation , and in recognition of Canada's upcoming Centennial Celebrations in 1967. This name is found on maps and official documents, but seldom used in conversation or on modern Road Sign s. A 1961 proposal to name the highway the " Leslie M. Frost Thruway" after the recently retired Premier of Ontario was approved by the provincial cabinet, but was not carried out. Highway of Heroes On August 24, 2007, the Ministry Of Transportation (Ontario) announced that the stretch of Highway 401 from Trenton, Ontario to Toronto will bear the name "Highway of Heroes" in honour of Canada's fallen soldiers, notably those who have died on duty in Afghanistan. This stretch of the freeway is often traveled by a convoy of vehicles carrying a fallen soldier's body with his or her family from CFB Trenton to the coroner's office in Toronto. Since 2002, when the first of Canada's fallen soldiers were returned from Afghanistan, crowds from all over the communities along this stretch of the 401 lined the overpasses to pay their respects as the convoy passes. The highway's designation as the "Macdonald-Cartier Freeway" will remain throughout the freeway's length. City News CTV.ca Carnage Alley The section of Highway 401 between Windsor and London has become known as "Carnage Alley", particularly since 1988, when a long string of particularly violent and deadly accidents occurred in this section. These accidents have occurred because of the road's narrow lanes and very narrow grass median, which has proven to be insufficient in preventing cross-directional collisions. This stretch of highway is also one of the most busiest truck routes in North America. Highway 401 has also been the site of Canada's deadliest automobile Interchange and truck inspection center. In response, the freeway is being given a massive upgrade. For more on this, Read Below . OVERVIEW Highway 401 begins at Highway 3 , 13 Kilometre s (8 Mi ) from the Detroit River on the outskirts of Windsor (not at the Michigan border as some mistakenly assume) and ends at the Quebec border, 815 kilometers (506 mi) away. There are 18 Rest Areas Or Service Centres (oases) located along the route, allowing motorists to access services without leaving the highway. A plaque was erected at the Mallorytown oasis, located on the last section of the freeway to be completed, stating that the 401 was the longest non-toll freeway under a single highway authority in North America. (Today the Texas Section of Interstate 10 holds this record.) Major freeway junctions are located at these roads and highways: 402 , Highbury Avenue ( London ), 403 , 8 , 6 , 407 , 410 , 427 , 400 , Allen Road ( Toronto ), 404 and Don Valley Parkway (Toronto), 35 and 115 , 416 . Quebec Autoroute 20 continues the highway at its eastern end. There are no direct interchanges with U.S. Interstate Highway s, but Interstates 75 and 375 in Detroit, Michigan , and Interstate 81 in New York State are each a short distance away, via Highways 3 , the former 3B , and 137 , leading to the Ambassador Bridge , the Detroit-Windsor Tunnel , and the Thousand Islands Bridge , respectively. Highway 402 also links Highway 401 to I-69 / I-94 via the Bluewater Bridge in Sarnia, Ontario . TRANSPORTATION CORRIDOR .]] The 401 is one of the world's busiest highways, with an estimated Annual Average Daily Traffic (AADT) of over 500,000 in 2006, between the Weston Road and Highway 400 interchanges in Toronto. Due to its triple use as the main trade, commuting and recreational corridor in Ontario, 24-hour traffic volumes can exceed the 500,000 level on some days. The Just-in-time inventory systems of the highly integrated auto industry in Michigan and Ontario have made the highway the busiest truck route in the world. Highway 401 also includes the continent's busiest multi-structure bridge at Hogg's Hollow in Toronto (four structures for the highway's four roadway beds). The 401 is a strategically important highway in Canada, as it connects the populous Southern Ontario region with Quebec and Michigan, while also connecting to most other major highways in the province. The 401 also acts as a 'short cut' between Detroit and Buffalo, New York (via Queen Elizabeth Way and Highway 403 ), and is used by many American motorists for this reason. The highway also serves as the principal connection to Montreal and points east, including New England , becoming Autoroute 20 at the Quebec border. The border crossing at Windsor and Detroit is the busiest trade crossing in the world, and although the 401 itself does not physically extend the last few kilometres into Detroit, it is the only route from Toronto to Windsor and on to Interstate 75 . A future expansion of the Windsor-Detroit border crossing, which will include a freeway bypass of the existing Highway 3, may result in Highway 401 having a direct freeway link to the border. Some 40 percent of Canada-US trade travels the highway, which is one-third of Canada's foreign trade, and 4 percent of all US foreign trade. However, it is not part of the Ontario section of the Trans-Canada Highway . COLLECTOR-EXPRESS SECTIONS Today the stretch of Highway 401 that passes through the Greater Toronto Area ranges from 6 to 22 lanes. Islington Avenue to Brock Road The section that now runs through Toronto was a rural roadway that was entirely outside of the Toronto city limits when first opened, and was originally referred to as the Toronto Bypass. The new freeway attracted development all along its length. As the city's Suburb s grew, it quickly became an urban commuter road, rather than a long-distance bypass route as was originally planned, leading to extensive traffic jams. This was a problem/opportunity solved and built upon to some extent by implementing separate Express And Collector Lanes , similar to the express/local set-up of the Dan Ryan Expressway in Chicago . Transfers, such as The Basketweave allow traffic to move from the express to collector lanes and vice versa. By 1967 Highway 401 was widened from four lanes to 12 or more through Toronto from Islington Avenue to Warden Avenue . In the early 1970s the collector express lanes were extended to Neilson Road and eastward to Brock Road by 1997. An alternative plan to the collector-express setup was to construct a bypass of Highway 401. This project was revived in 1987 and opened in 1997 as the toll road Highway 407 ETR to parallel Highway 401 in the Greater Toronto Area . The main Collector-express setup with a minimum 12 lane cross-section currently stretches from Islington Avenue to Brock Road. Highway 409 which branches off from Highway 401 just west of Islington to Toronto Pearson International Airport has been unsuccessful in diverting traffic volumes; the 10 lane segment between Islington and Highway 427 is highly congested as a result. The existing 401-427 interchange is considered one of the worst bottlenecks since it only allows eight lanes of traffic (four in each direction) to pass through the interchange. It initially only allowed six lanes of through traffic until a widening project was completed in 2005; a major reconstruction of the junction is needed to meet current demands estimated at five-to-six lanes. Signage Overhead road signs guide motorists through the Express and Collector lanes to and from their exits. In order to make sure drivers are not confused by signs appearing in other lanes, colours have been assigned to both Collector and Express Lanes. Collector lanes (handling traffic merging from and to exits) are blue while Express Lane signs are green. The green signs inform drivers of the next Interchange, listing the three upcoming exits (for example: Leslie St, Bayview Ave, Yonge St, 4km) However the mileage indicated on the signs do not indicate the actual distance to the next exit, they only indicate the distance to the Interchange and merge to the Collector lanes. From there the blue signs on the Collector Lanes direct and inform drivers of the upcoming exists with distance until the exit ramp (for example: Leslie Street, 1km) Highway 403/410 to Highway 427 bridges in the background carrying the 18 lanes of Highway 401's collector-express system. In the foreground is burnt-out wreckage of Air France Flight 358 at Toronto Pearson International Airport .]] Highway 401 has a separate Collector-express system in Mississauga between the junctions with Highways 403 / 410 and Highway 427 . This was completed in 1986, concurrent with the expansion of the 401-403 interchange and the addition of two express flyover ramps and includes an Eastbound Collector-express Transfer known as the "Tunnel." At 18 lanes wide this is the widest section of Highway 401, although at the present only nine lanes are designated for 401 through traffic (as express lanes) while the collector lanes serve as direct connections or ramp extensions from 403/410 to 427. The existing 401/427 interchange remains a bottleneck to possible east expansion of this configuration that would link it up with the Islington-Brock collector-express system. Another choke point is at the 403/410 interchange since the 401 narrows down to eight lanes west of that junction. However, that junction has been designed with westward expansion of the collector-express system in mind; several prerequisite projects to accommodate widening from 403/410 to Mississauga Road were underway in the late 1990s, including a new interchange at Mavis Road and the reconstruction of the Mississauga Road and Derry Road overpasses. FUTURE EXPANSION AND UPGRADES In the 1950s, Highway 401 had initially been constructed as a four lane divided highway but the narrow grass median has since proven insufficient in preventing cross-directional collisions. In 1999, the Windsor-London stretch of Highway 401 was infamously dubbed as "Carnage Alley" after several fatal accidents, including an 87 vehicle pileup on Labour Day during thick fog that claimed seven lives just east of the Manning Road Interchange and truck inspection center. Much work has involved replacing the median strip with an "Ontario tall-wall" concrete barrier and often an extra lane per direction. Areas currently being upgraded are between Windsor and Tilbury , around the City of Kingston , the London area, from Port Hope, Ontario to Cobourg , and west from Cambridge towards Woodstock . This will be followed later by staged upgrades between Trenton and Belleville , and eventually the remaining sections between Cobourg and Kingston. Upgrading the final rural sections between Tilbury, Chatham and London, and from Cornwall to the Quebec Boundary remain beyond the 35-year planning horizon at this time. On November 14 , 2005 , the joint Canadian-American committee studying the options for expanding the Windsor - Detroit border crossing announced that its preferred option was to directly extend Highway 401 westward, using a new bridge or tunnel to cross the Detroit River and interchange with Interstate 75 somewhere between the existing Ambassador Bridge span and Wyandotte . The exact route of this new highway connection has not yet been determined.2 Essex County upgrades Highway 3 to Essex County Road 19 The Windsor Star has reported that the stretch of Highway 401 from Highway 3 (its western Terminus ) to where the road widens to three lanes per direction (3 km west of Manning Road) will remain as a four-lane route until a route to a potential new border crossing has been finalized. The MTO intends on upgrading this section, particularly its dangerous interchange with Highway 3 (sharp curves, poor lines of sight, aging overpass structure) when a new bridge and freeway corridor has been chosen. County Road 19 to County Road 42 Highway 401 is seeing a complete overhaul and expansion between the city of Windsor, Ontario and the town of Tilbury, Ontario , in response to the 87-car pile-up that killed 8 on September 3 , 1999 . The road is being expanded from two lanes per direction with a narrow grass median to three lanes per direction (with concrete pavement), Rumble Strips , a concrete divider, and newer overpasses at Highway 77 , French Line Road (St. Joachim Road), and two are planned for Puce Road, Belle River Road, and Former Rochester Township 3rd Concession Road (Eastern Lakeshore). Ministry of Transportation Road Construction Information The next (and final) phase for upgrading and widening Highway 401 in Essex County is to begin in April 2007, and will stretch from Belle River Road to Highway 77, widening each carriageway from two to three lanes, with a concrete barrier, and should be completed by November 2007. This construction zone is roughly the same size as the previous two, at 10.6 km in length, and will create one continuous length of freeway with 6 lanes and a concrete barrier from 2 km west of Manning Road to 1 km east of County Road 42. CKLW-AM 800 Additionally, the Windsor South Truck Inspection Station is being upgraded to a commercial vehicle inspection facilityhttp://ogov.newswire.ca/ontario/GONE/2007/03/09/c8946.html?lmatch=&lang=_e.html London area upgrades Highway 401 in London between Wellington Road and Highway 402 is currently being widened to six lanes. The improvements will include high mast lighting, a changeable message sign, advanced drainage systems and paved shoulders on both sides of the roadway. This, with the widening projects between Woodstock and Kitchener , will make Highway 401 at least six lanes wide from Port Hope to the Highway 402 interchange (From London to Toronto). The very busy Wellington Road interchange will be completely redesigned and rebuilt as a Parclo Interchange . Construction began in 2006. This project is set to be complete by late 2007. By 2009, a parclo interchange with Wonderland Road west of the partial Highway 402 interchange will be completed to provide better connectivity for motorists in London's southwest end to access Highway 401 west to Windsor. Long term plans call for eight lanes and possibly a Collector-express system through the city due to its increased use as a commuter road. However, these improvements are not planned until around 2020 and remain mid-to-long term goals for the Ministry of Transportation. Oxford County upgrades In the late Fall of 2005, the Ministry Of Transportation Of Ontario started a construction project to upgrade the current four-lane section of Highway 401 from four to six lanes from west of Oxford County Road 3 to west of Waterloo Regional Road 97 (where the next six-lane concrete-divided road begins) in the County Of Oxford and Regional Municipality Of Waterloo . This is currently part of the last four-lane section between London and Toronto (stretching from Highway 403 Interchange in Woodstock, Ontario to Waterloo Road 97 in Kitchener, Ontario), but is being upgraded to 6 lanes plus an Ontario tall-wall barrier in the median. This is the first stage of upgrades of this final four-lane section. In fall 2003, the widening of Highway 401 from four to six lanes from the Highway 8 interchange to Waterloo Regional Road 97 was completed. The Y-junctions with Highway 8 and Highway 403, opened in 1987 and 1990, respectively, were designed in mind to accommodate the widening of Highway 401 through Oxford and Waterloo. Aside from the addition of one lane per direction and a tall-wall barrier, two emergency ramp connectors that are intended to be used only during emergency highway closures and similar circumstances to permit traffic to move off the freeway (and emergency vehicles onto it) have been constructed. Built near Oxford Road 3 and Trussler Road, the ramps are an unprecedented addition to the Ontario highway system. onthighways.com source . Other emergency accesses have been built in Essex County where the road was recently widened from 4 to 6 lanes, but these are gravel, and all are alongside overpasses, for use by ambulances, firetrucks, and police cars in emergencies only. This is currently in stages, and will eventually close the 4-lane gap between the two 6-lane sections ( London /Wellington Road- Woodstock / Highway 403 and Kitchener /Waterloo Road 97 (Cedar Creek Drive)- Toronto ). The first segment in Oxford County to see the upgrades is from Waterloo RR 97 to Oxford CR 3, with further upgrades planned from Oxford CR 3 to Highway 403. Several large upgrades will be carried out here:
Mississauga upgrades There are plans to widen the Mississauga stretch from six lanes to 12 lanes from the 403-410 interchange to the Credit River, and 10 lanes to Mississauga Road; this has recently been a major bottleneck due to the reduced capacity west of the junction. Actual construction on the expansion is slated to start in 2008 at the earliest, but for the last decade, numerous prerequisite projects have been undertaken. The 403-410 Interchange , which has been under construction since the 1970s until 1995, is designed in mind for westward expansion of the collector-express system (note the Highway 401 collector overpass structures crossing Highway 410, each of which have an additional lane which is currently unused. There is also an available right-of-way for a loop ramp from Highway 403 northbound to Highway 401 west and a direction ramp in the opposite direction, which is designed to improve access from Cawthra Road; this project would make the 403-410 Interchange a full four-way interchange. The Kennedy Road overpass, opened in the early 1990s just west of the 403-410 junction, is wide enough to accommodate expansion of the 12 lane collector-express system. The Derry Road underpass have been widened to accommodate this in the late 1990s. An interchange has been added with Mavis Road in 1999, which has been extended north to Highway 401 and beyond, and the overpass abutments are designed to allow future lengthening so fourteen lanes can pass under. In 2002, the Mississauga Road four-lane overpass was replaced with an eight lane structure that can span fourteen lanes, while the interchange ramps were also realigned to support higher speeds. The main obstacles to Highway 401 expansion are the aging 1960s Creditview Road, McLaughlin Road, and Hurontario Street (the bridge structure and ramps were realigned in the 1970s from its original cloverleaf configuration) Overpass es which will be demolished and replaced as part of the reconstruction. TRAFFIC CAMERAS To manage traffic, the Ontario Ministry of Transportation (MTO) installed the Freeway Management System - COMPASS , the most advanced of its kind in the world when it was deployed in 1991 by Delcan Corporation . Using a combination of CCTV cameras, vehicle detection loops and LED Changeable Message Signs , the MTO Traffic Operations Centre can obtain a real-time assessment of traffic conditions and alert highway travellers of collisions and construction. The system currently stretches from Highway 403 , Mississauga to Harwood Avenue, Ajax , and is likely to be extended westward and eastward as Highway 401 is reconstructed and upgraded. VOLUME INFORMATION (2005)
MAJOR CITIES Listed below are notable cities along the route of Highway 401, from west to east. Bolded cities are officially-designated Control Cities for signs.4
TRIVIA In the late 1980s to late 1990s, the stretch of Highway 401 eastbound around Milton had chevrons painted in the middle of each lane. Signs advised motorists to keep at least two chevrons apart, in essence warning them not to follow too closely. Until the late 1990s, Highway 401 had blue signs near Windsor and the Greater Toronto Area stating nearby I-80 I-90 ", due to the Metro Detroit - Toledo and Greater Buffalo, New York Metropolitan Area s being nearby. An example of the sign: EXIT LIST See Also: List of exits on Highway 401 (Ontario) SERVICE CENTRES The service centres are located at the following points on Highway 401 and contain the following services: LANE CONFIGURATION FROM WEST TO EAST SEE ALSO REFERENCES EXTERNAL LINKS
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