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 - © 2003-2024
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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