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This is a list of selected Ontario Secondary Highway
numbered between 500 and 673. Only some routes are shown currently, but additional routes will be added to this list in 2012. For all other highways, please click here, or select a link from the bottom
of this page. Click on the appropriate highway name or route shield to see a detailed history of that
highway. The link on the right side is a route map of each highway, showing historical
re-routings and realignments. Most of the maps are still under development and will be
posted later. |
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