Ontario Highway 420
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| Niagara Veterans Memorial Highway | ||||
Highway 420 within Southern Ontario
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| Route information | ||||
| Length: | 3.3 km (2.1 mi) | |||
| History: | November 1, 1941 (as Queen Elizabeth Way) 1972 (as Highway 420) |
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| Highway 420 | ||||
| West end: |
 Regional Road 98 (Montrose Road) |
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| Major junctions: |
 Queen Elizabeth Way
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| East end: |
 Regional Road 102 (Stanley Avenue) |
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| Niagara Regional Road 420 | ||||
| West end: |
Regional Road 102 (Stanley Avenue) |
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| East end: |
 NY 384 and  NY 104 at the Rainbow Bridge to United States
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| Location | ||||
| Major cities: | Niagara Falls | |||
| Highway system | ||||
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King's Highway 420, commonly referred to as Highway 420, is a 400-series highway in the Canadian province of Ontario that connects the Queen Elizabeth Way (QEW) with downtown Niagara Falls. It continues east as a limited-access expressway named Niagara Regional Road 420 to connect with the Rainbow Bridge international crossing between Canada and the United States over the Niagara River; this was part of Highway 420 until 1998. West of the QEW, the freeway ends at an at-grade intersection with Montrose Road (Niagara Regional Road 98). The highway has a speed limit of 80 kilometres per hour (50 mph), making it the only 400-series highway to have a speed limit less than 100 kilometres per hour (62 mph) for its entirety.
Originally constructed as a divided four-lane road with two traffic circles, the route of Highway 420 formed part of the QEW between 1941 and 1972 before being assigned a unique route number. This took place during the reconstruction of the four lane divided highway into a freeway and the construction of the large interchange at the freeway's western terminus. In 1998, the section of Highway 420 east of Stanley Avenue was transferred to the responsibility of the Regional Municipality of Niagara and redesignated as Regional Road 420.
At 3.3 km (2.1 mi), Highway 420 is the shortest 400-series highway, travelling through Niagara Falls from Montrose Road to Stanley Avenue, on the outskirts of the city's tourist district. East of Stanley Avenue (Regional Road 102) the highway becomes Niagara Regional Road 420 and is known as Falls Avenue and Newman Hill on approach to the Rainbow Bridge. This portion was designated a part of Highway 420 until 2000, when it was transferred to the City of Niagara Falls and the Regional Municipality of Niagara, although the Ministry of Transportation of Ontario (MTO) still assists with the maintenance of it under a Connecting Link agreement. East of Drummond Road, Highway 420 features stylized light fixtures with the letters "ER", which stand for Elizabeth Regina and are a tribute to The Queen Mother.
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Wikipedia