Highway 401 and Highway 4 (Colonel Talbot Road) Interchange Reconfiguration
& Highway 4 (Colonel Talbot Road) and Glanworth Drive Bridge Replacements

Construction
The following sections will be updated weekly to reflect construction updates and traffic impacts.
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Anticipated Work for the Next Month
November 24, 2025 to December 18, 2025:
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Status of Work
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Colonel Talbot Road Structure Work offline
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Traffic Impacts for the Next Month
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Shoulder Closures of W-N and S-W Ramp closures at Colonel Talbot Road
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Current Lane Closures - Week of December 8, 2025
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​The shoulder of the westbound on ramp from Colonel Talbot to Highway 401 westbound (S-W Ramp)
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Monday, December 8 2025 to Friday, December 12, 2025 from 8 am to 5 pm daily WEATHER PERMITTING
The shoulder of the eastbound off ramp from Highway 401 (W-N Ramp) to Northbound Colonel Talbot
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Monday, December 8, 2025 to Friday, December 12, 2025 from 8 am to 5 pm daily WEATHER PERMITTING
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The following section provides general information related to construction and does not change.
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SUMMARY OF CONSTRUCTION BY YEAR
​2024 Construction Season:
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Construct median piers for new Highway 4 (Colonel Talbot Road) bridge
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Construct median piers abutments with approaches and install new girders for new Glanworth Drive bridge
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Construct High Mast Lighting (HML) and overhead sign (OHS) footings along Highway 401 median
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Reconstruct Highway 401 median storm sewer and sewer crossings
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Construct western realignment half of Tempo Road
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Commence realignment of Glanworth Drive and Littlewood Drive and construction of Littlewood Place
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Install HML
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2025 Construction Season:
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Construct new Highway 4 (Colonel Talbot Road) bridge offline
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Construct abutments with approaches and install new girders for new Highway 4 bridge
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Construct the Tempo Road Realignment
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Construct new Glanworth Drive bridge and deck structure
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Complete construction of Littlewood Drive and Glanworth Drive realignments, Littlewood Drive and Littlewood Place
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Widen northern portion of Highway 4
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Remove existing Glanworth Drive bridge
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2026 Construction Season:
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Construct new Highway 4 bridge deck and structure
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Complete widening and realignment of Highway 4 except surface course paving
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Construct new interchange ramps and speed change lanes
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Remove existing Highway 4 bridge
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Construct southbound lanes of Colonel Talbot Road
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Construct realignment of Burtwistle Lane
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2027 Construction Season:
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Complete surface course paving and construction of raised median on Highway 4
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Complete surface course paving of interchange ramps
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Construct aesthetic monuments at Highway 4 Underpass
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Complete remaining portions of median tall wall barrier