Bayly Street & Harwood Avenue Road Closure Coming to Ajax: What Drivers Need to Know

The Region of Durham has announced a temporary traffic disruption at the intersection of Bayly Street and Harwood Avenue South, with lane closures scheduled for July 27–31, 2026. The work is weather dependent and could be extended if conditions delay construction.

What's happening?

The westbound through lane on Bayly Street at Harwood Avenue South will be closed while crews complete mandatory concrete repairs to improve safety.

Here's how traffic will be affected:

The westbound through lane on Bayly Street will be closed.
Westbound traffic will be detoured:
- North on Harwood Avenue South
- West on Hunt Street
- South on Commercial Avenue
- Back to Bayly Street
The southbound left-turn lane from Harwood Avenue South onto westbound Bayly Street will be closed.
The northbound left-turn lane from Harwood Avenue South onto Bayly Street will also be closed.
The eastbound turning lane on Bayly Street will be shifted, but motorists will still be able to turn north onto Harwood Avenue.

Why is the work being done?

According to Durham Region, the repairs are mandatory concrete repairs designed to improve safety at the intersection.

Will businesses remain open?

Yes. Durham Region has confirmed that businesses in the area will remain open throughout construction, so customers can continue to access local shops and services.

Tips for drivers

If this intersection is part of your daily commute:

Allow extra travel time during the week of July 27.
Consider using an alternate east-west route if possible.
Watch for changing traffic patterns and posted detour signs.
Be especially cautious around construction crews, pedestrians and cyclists.

The information circulating on social media is accurate and matches the official announcement from the Region of Durham.

Verified facts:

✅ Closure dates: July 27–31, 2026 (weather permitting)
✅ Location: Bayly Street & Harwood Avenue South, Ajax
✅ Westbound through lane closure
✅ Detour via Harwood Avenue South → Hunt Street → Commercial Avenue
✅ Left-turn lane closures on Harwood Avenue South
✅ Eastbound turn to northbound Harwood remains available
✅ Purpose: Mandatory concrete repairs to improve safety
✅ Businesses remain open during construction.

Locally Durham Tip: If you're heading to Ajax GO Station, the waterfront, or businesses along Bayly Street during this time, expect delays and consider leaving a few minutes earlier than usual.

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