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King's Highway 420, commonly referred to as Highway 420, is a 400-series highway in thenCanadian province of Ontario that connects the Queen Elizabeth Way (QEW) with downtown Niagara Falls.nIt continues east as a limited-access expressway named ...Full Wikipedia Topic
Start Terminus Regional Road 98 (Montrose Road)
Length 3.30 km/ 2.10 mi
End Terminus Regional Road 102 (Stanley Avenue)
Highway ON-420 runs South to North with exit numbers starting at the southern most exit of each State/Province.
For exit details, click on green exit sign.