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Skip Navigation LinksDunlop-Anne-Sunnidale_HWY-400 Dunlop, Anne & Sunnidale: Highway 400 Improvements

​Dunlop, Anne & Sunnidale – Highway 400 Improvements

The Ministry of Transportation (MTO) has initiated detailed design for the replacement of the Dunlop Street interchange/highway crossing, Anne Street highway crossing and Sunnidale Road highway crossing.

MTO has retained McIntosh Perry Consulting Engineers Ltd. to complete the Detail Design and Class Environmental Assessment (Class EA) Study for the replacement of the Highway 400 Anne Street underpass bridge. The project also includes:

  • pavement resurfacing of Highway 400 from north of Dunlop Street to north of Sunnidale Road and from north of Bayfield Street to north of St. Vincent Street
  • Highway 400 median barrier replacement
  • drainage improvements within the resurfacing limits
  • installation of noise walls in the vicinity of Anne Street, Bayfield Street and Duckworth Street.  

Full information about this project is available at http://highway400dunlopannesunnidale.com.

Project Update: July 2020

Study details and a key map showing the study area are available within the Notice of Project Update, which indicates questions or comments are appreciated by August 30, 2020.

The purpose of this Project Update is to present the study process, recommended design, environmental mitigation, and construction staging and receive comments on the proposed improvements. See Project Update Details.

Following the Project Update and completion of the Detail Design, a Design and Construction Report will be prepared and made available for a 30-day public review period. Further notification will be provided at that time.

If you wish to be added to the study mailing list, or submit comments, please contact MTO or the Project Team via one of the methods below:

Steve Pilgrim, P.Eng.
Project Manager
McIntosh Perry Consulting Engineers Ltd.
1-1329 Gardiners Road, Kingston, ON K7P 0L8
tel: 613-542-3788
​Rebecca Palys, P.Eng.
Senior Project Engineer
Ministry of Transportation
159 Sir William Hearst Avenue, Building D, 4th Floor
Downsview, ON M3M 0B7
​ ​Project E-mail: highway400dunlopannesunnidale@mcintoshperry.com

Project Coordination

MTO is the proponent for this project, however the City is a key stakeholder. The City and MTO are working collaboratively to incorporate transportation improvements that support the needs of both local residents and the travelling public at large. These improvements will enhance the transportation network and help mitigate traffic congestion.

City Infrastructure Impacts

Dunlop Street:

  • Highway crossing widening (widening from 2 lanes to 4 - 6 lanes; 6 lanes to be studied by the City
  • Dyments and Bunkers Creeks drainage improvements
  • Sidewalks

Anne Street:

  • Highway crossing widening (widening from 4 lanes to 5 lanes)
  • Sidewalks
  • Bicycling infrastructure

Sunnidale Road:

  • Highway crossing replacement (number of lanes not changing)
  • Sidewalk
  • Bicycling infrastructure

Project Scheduling

Detailed design was initiated in March 2019. Please refer to the project website for the most current information regarding project scheduling.

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