Ontario King's Highway 403 Historical Route Maps

Route of King's Highway 403 before the three discontinuous sections of the highway were united Base map excerpt from the 1990-1991 Official Ontario Road Map  -  © King's Printer for Ontario, 1990 Alterations & Additions by Josh Anderchek - © 2003-2026 Route of King's Highway 403 as it appears today Map Courtesy of Bing Maps (Retrieved August 16, 2010) - Link to this map at Bing Maps

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