List of exits on Highway 401 (Ontario)

There are over 150 interchanges, numbered from west to east, on Highway 401 in Ontario. Originally, the freeway had used sequential exit numbering, with roughly 128 numbered exits, before switching to the milemarker system, which in turn led to the present kilometer-based system after Canada's highways adopted the metric system.

Windsor to London

Toronto to Kingston

Other planned interchanges

The reconstruction of Highway 401 in Mississauga is expected to add several interchanges in order to serve that fast-growing region.

Another widening project throughout Oshawa will see old interchanges closed in favour of newer ones. Construction is currently underway for a new interchange (exit 415) at Stevenson Road in Oshawa. This upgrade with new ramps and bridges will provide easier access to the General Motors (Canada) plant and the Oshawa Centre Mall. It will replace the outdated Park Road interchange (exit 416) that will be closed off in either 2009 or 2010. The westbound ramps at Stevenson Road have now been complete, replacing the westbound ramps at Park Road.

After 407 ETR gets extended east to Highways 35/115, two other freeways will be built linking the 407 and the 401 together;
*407-401 Durham West Connector, near the boundary of Ajax and Whitby,
*407-401 Durham East Connector, in Clarington.

An interchange is in the planning stages for Lakeridge Road (Durham Road 23) once Highway 401 continues to widen east of Ajax with an Environmental Assessment and when the Durham West interchange is in place.

A new interchange at Wonderland Road in London is planned to be built around 2015.

References

General

*Google Maps driving directions
*cite web | url=http://www.mto.gov.on.ca/english/traveller/map/southindexpdf.htm | title= Official Road Map of Ontario - Southern Ontario Road Maps | publisher=Ministry of Transportation, Ontario | accessdate=2006-11-21 | year=2006

pecific