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King's Highway 140, commonly referred to as Highway 140, is a provincially maintained highway in the Canadian province of Ontario. The highway connects Port Colborne near Lake Erie with Highway 406 in Welland, via the Main Street Tunnel. It was constructed in the early 1970s as part of the ''Welland Bypass'' project of the Welland Canal, which resulted in the severance of several highways and rail lines. Opened to traffic in late 1972, several months following the tunnel, Highway 140 has remained unchanged since, despite growing calls to resign it as an extension of Highway 406. == Route description == Highway 140 begins at an intersection with Highway 3 on the eastern edge of Port Colborne. From there, Highway 3 continues east to Fort Erie; to the west it becomes Niagara Regional Road 3. The roadway carrying Highway 140 continues south of Highway 3 as a local road named Elizabeth Street, whereas Highway 140 travels north, to the west of forestland and a quarry. The highway parallels the Welland Canal throughout its length, always within of the waterway.〔 Wooden high-tension powerlines parallel the highway until it diverges, curving towards the northeast immediately north of Chippawa Road. It travels diagonally for several kilometres before ascending on an overpass and crossing the former Canadian National Humberstone Subdivision tracks.〔 The highway gradually straightens to a north–south alignment as it crosses Highway 58A and a set of railway tracks, both of which travel beneath the nearby Welland Canal to the west. Continuing north, Highway 140 passes over Lyons Creek, which meanders northeast to converge with the Welland River west of the Niagara River.〔 The highway ends approximately north of this point at an intersection with Main Street (Niagara Regional Road 27).〔 Main Street travels beneath the Welland Canal immediately west of Highway 140, providing a connection to Highway 406 on the opposite side.〔(【引用サイトリンク】 publisher = City of Port Colborne )〕 Because of its importance as both a through route past the canal and in linking Highway 140 with Highway 406, East Main Street between Highways 140 and 406 is maintained the Ministry of Transportation of Ontario (MTO) as Highway 7146.〔 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「Ontario Highway 140」の詳細全文を読む スポンサード リンク
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