List of Ontario expressways

List of Ontario expressways

The majority of the freeways and expressways in Ontario are 400-series highways; there are also some others which do not have that designation. The full list appears below.

The freeway network in Southern Ontario, including the 400-series highways (blue), provincial controlled-access freeways not designated as part of the 400-Series system (orange), and municipal expressways (purple)
Future extension and new freeway projects (red) in Ontario, including 400-series, non-400-series and municipal freeway plans.


Full freeways (complete controlled-access)

400-Series Highways

Other provincial freeways

The province also maintains freeways which are up to 400-series standards, yet are not numbered as part of the 400-series network. This is despite some of those freeways exceeding existing 400-series highways in size and traffic volume and despite some of them being connected to the 400-series network. Nonetheless, Ontario freeways do not receive a 400-series number unless they are designed to be complete controlled-access freeways for their whole length. The non 400-series routes listed below have significant open-access portions besides the freeway section, with the freeway segment typically being a small section not at the route's termini.

  • The Conestoga Parkway - Baden to St. Jacobs through Kitchener/Waterloo. It carries the designations Highway 7, Highway 8, and Highway 85. Highway 85's southern terminus is at the part where Highway 7 turns off of the freeway portion. Its northern terminus is at Regional Road 15 (King Street North), where it continues as Arthur Street, or Regional Road 85.
  • Highway 6 is a freeway in 2 segments:
    • Highway 403 to Clappison's Corners at Highway 5. This freeway is a newly-completed, 2.5 km stretch north of Hamilton. Plans are to eventually continue this freeway north to Highway 401 at Guelph.
    • College Avenue to Paisley Rd. in Guelph, as part of the Hanlon Parkway. The rest of the Hanlon is an expressway with at-grade intersections. Plans are to eventually turn the entire length of the Hanlon into a freeway.
  • Highway 7 is a freeway in 3 segments, a fourth segment is in planning:
    • Baden to Waterloo (see Conestoga Parkway above);
    • Concurrent with Highway 115 from the interchange with Highway 7A to Television Road in Peterborough, bypassing the city;
    • Carleton Place to Highway 417 in Ottawa. Part of this freeway segment is still under construction.
    • Plans are to upgrade Highway 7 from the Conestoga Parkway eastward to Hanlon Parkway into a freeway, along with the Hanlon.
  • Highway 8 - Highway 401 and King Street East to the Conestoga Parkway in Kitchener. The freeway portion of Highway 8 in Kitchener is known as the "Freeport Diversion" or the "King Street Bypass" or, by many area residents, as "the Highway 8 Expressway." Since 1987, the Freeport Diversion has been extended to Highway 401. Though this new section is signed as Highway 8 going westbound and Highway 401 going eastbound, it carries the unsigned designation of Highway 7187. Before 1987, traffic continued on King Street East, an undivided 4-lane arterial road to an interchange with Highway 401. Highway 8 is also a freeway co-signed with Highway 7 on the Conestoga Parkway from King Street to Baden.
  • Highway 11 is a freeway in several segments (much of the non-freeway segments from Highway 400 to Sudbury are expressways, with a speed limit of 90 or 80 km/h. These expressways have few at-grade intersctions, and mostly use RIRO ramps to connect to intersecting roads.)
  • Highway 17 is a freeway in 2 segments:
    • In Sudbury, from Municipal Road 55 in Whitefish to MR 55 in Lively.
    • The Whitefish to Lively section transitions to a two-lane freeway from Lively to MR 55 west of Coniston. This two-lane segment briefly transitions back to a divided freeway at the Highway 69 interchange, to ease future freeway conversion on the segment; the Ontario government has announced that the segment will be upgraded to full freeway in the early 2010s. These segments may be incorporated into a future expansion of Highway 417. Additionally, the expressway portion of Highway 17 near Sault Ste. Marie could also be upgraded into a full freeway in the future, but currently contains at-grade intersections.
  • Highway 35/Highway 115 is a freeway in 3 segments:
    • Highway 401 at Newcastle to Concession Rd. 3;
    • Concession Rd. 4 to Concession Rd. 8;
    • Wilcox Rd. to Highway 7 in Peterborough.
  • Highway 58 - Thorold (from 406 to Thorold Stone Rd. only) (segment expected to incorporate into medium-term Highway 420 plans)
  • Highway 85 (see Conestoga Parkway above)
  • Highway 137 - Connection to Interstate 81 in Ivy Lea (from Thousand Islands Parkway to Highway 401 only).

Municipal expressways/freeways

These include both municipal-constructed freeways and former provincial freeways downloaded to municipalities.

Two-lane freeways

  • Highway 3 - St. Thomas (from Wellington Rd. to Centennial Rd. only)
  • Highway 6 - Argyle St. South to Green Rd. (Caledonia Bypass) and from Garner Road near Highway 403 to south of Airport Road in Hamilton. Both of these are two-lane freeways, although expansion is planned.
  • Highway 7 - From Monaghan Parkway to Sherbrooke Street (Regional Road 9) east of Peterborough.
  • Highway 17 is a two-lane freeway in 3 segments:
    • In Greater Sudbury, where the freeway portion transitions to a two-lane freeway (see Highway 17 above)
    • Highway 417's terminus at Arnprior to Haley Station, north of Renfrew. This 20 km stretch will likely be twinned to become an extension of Highway 417.
    • County Road 40 south of Pembroke to north of Petawawa.
  • Highway 17A (the Kenora bypass) is a 2-lane freeway in its entirety.
  • Niagara Regional Road 27 - between Wellington street in Welland and Moyer road.
  • Highway 40 (see Highway 40 below)
  • Highway 58A is a 2-lane freeway in its entirety.
  • Highway 140 is a 2-lane freeway in its entirety
  • Highway 144 - between Chelmsford and Highway 17 near Lively, in Greater Sudbury.
  • Highway 406 - between Port Robinson rd. and Niagara Regional Road 27 in Welland.
  • Niagara Regional Highway 525 - Between highway 58A's eastern terminus (i.e. Highway 525's western terminus as well) and Miler Rd. (with Keefer rd. as an L connector).
  • Airport Parkway - Ottawa
  • Monaghan Parkway - between Highway 7 and Brealy Dr.; between Brealy Dr. and Highway 115 as Sir Sanford Flemming Dr.
  • Pike Creek Bypass - Lakeshore, Ontario (from terminus of E.C. Row Expressway to Essex County Road 2), has no grade-separations, only intersections, and no adjacent property access
  • Sir Sanford Fleming Dr. (see above)


See also



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