Highway 401 and Highway 4 (Colonel Talbot Road) Interchange Reconfiguration
& Highway 4 (Colonel Talbot Road) and Glanworth Drive Bridge Replacements
MTO completed a Transportation Environmental Study Report (TESR) in 2004 (URS) and a TESR Addendum in 2018 (Dillon). The Preferred Design Alternative includes the following:
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Replace the Highway 4 (Colonel Talbot Road) Bridge on a slight alignment shift to the east of the existing underpass;
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Replace the existing Glanworth Drive Bridge on a new alignment to the east over Highway 401;
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Realign Burtwistle Lane and Tempo Road at Highway 4; and.
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Realign Glanworth Drive and Littlewood Drive to a new intersection at Colonel Talbot Road north of the existing interchange.
The Preferred Design Alternative can be reviewed below.​
Highway 401 and Colonel Talbot Road Reconfiguration
Preferred Design Alternative
The map below outlines the Preferred Design Alternative, which was identified during Preliminary Design (2018).
Please note that this design is currently in the Detailed Design stage, and as such, refinements to the Preferred Design Alternative may result in minor changes to the design depicted below.