Transport Quebec has issued a notice that Highway 13 in the Chomedey district and the interchange with Highway 520 at Côte‑de‑Liesse will be closed each night from September 28 through November 2, 2026. The overnight shutdowns are required to allow work crews to continue reconstruction of the Highway 520 overpass, a project that has been extended to address structural needs.
The closures will affect both routes for the duration of the specified period, with the restriction limited to nighttime hours. Motorists are expected to encounter the restrictions each night until the work is completed on November 2. The agency has indicated that the timing of the closures is intended to minimize disruption during peak travel periods, though no specific start or end times have been released.
Transport Quebec’s decision follows an assessment of the overpass reconstruction schedule, which identified the need for additional night‑time access to the site. By extending the work into the evening, the agency aims to maintain progress on the overpass while preserving safety for both workers and the traveling public.
The Highway 13 corridor in Chomedey and the Highway 520 interchange at Côte‑de‑Liesse are key connections within Montreal’s road network. The overnight closures are part of a broader effort to ensure the structural integrity of the overpass and to prevent future disruptions that could arise from incomplete repairs. The agency has not provided further details on alternative routes or additional traffic management measures beyond the announcement of the night‑time shutdowns.
Residents and commuters are advised to plan their trips accordingly during the September 28 to November 2 window, taking into account the nightly closures of these two critical roadways.