A-640 West in Mascouche — new exit to Avenue de l’Esplanade

Summary

This record provides longitudinal documentary tracking of the construction project. It documents the publicly available information on the scope, costs, contracts, schedule and progress of the work in order to maintain a verifiable history of the project. It is neither a site inspection, an independent cost estimate nor an engineering opinion.

The City of Mascouche is building a new westbound Highway 640 exit ramp to Avenue de l’Esplanade, between the Highway 25 interchange and Chemin des Anglais. The MTMD authorization certificate was announced in July 2026. Municipal tender MAS-2026-020 received eight bidders, and construction has now begun. The City currently lists the work period as August 2026 to 2027 and announces an opening in 2027.

Documentary updates

This section is not separately documented in the retained file.

Report → Validation → Tracking → Action

1. Report — municipal project

   Creation of a new A-640 West exit providing direct access to Avenue de l’Esplanade.

2. Validation — May to July 2026

   Tender MAS-2026-020 is published, eight bidders are identified, and the City announces that it has obtained the MTMD authorization certificate.

3. Tracking — September 2026

   Work has begun. The period posted by the City is August 2026 to 2027, with an opening announced for 2027.

4. Action — next milestone

   Document the contract award and official contract amount, then the significant stages of construction and the actual opening date.

Documented timeline

1. May 15, 2026

   Publication of tender MAS-2026-020 for the construction of the A-640 West exit ramp to Avenue de l’Esplanade.

2. June 18, 2026

   Tender closing. Public contract data identify eight bidders and several addenda to the file.

3. July 8, 2026

   The City announces that it has obtained the MTMD authorization certificate and plans to move into construction at the beginning of August.

4. August 2026

   Start of the work period posted by the City.

5. September 2026

   The actual start of construction is publicly announced. Temporary closures of A-640 West are required for certain operations.

6. 2027

   Planned opening according to the schedule currently published by the City.

Facts supported by sources

• The new ramp will be built in the westbound direction between the A-25 interchange and Chemin des Anglais and will lead onto Avenue de l’Esplanade.
• The MTMD authorization certificate was obtained before construction began.
• The municipal contract is numbered MAS-2026-020.
• Eight bidders are identified in the public contract data reviewed.
• Construction has begun.
• The City currently lists a work period from August 2026 to 2027 and an opening in 2027.

Review of the file

This record establishes a baseline at the start of construction in order to later compare the announced schedule, publicly disclosed contract changes and the actual opening date. The number of addenda published during the tender process is part of the documentary history of the procurement process and will be retained with the other project milestones.

Undetermined items

• The official amount of the awarded contract, to be confirmed from a sufficiently explicit public source.
• The detailed contract schedule and key interim milestones.
• The exact opening date in 2027.
• Any future amendments, additional expenses or extensions.

Next milestone

Establish the official contract amount and baseline schedule, then track work notices, disruptions, contract changes and the actual opening date.

Sources

1. City of Mascouche — “Green light for the construction of a new Highway 640 ramp in Mascouche,” July 8, 2026. View source ↗
2. City of Mascouche — Work and disruptions: construction of an A-640 exit ramp to Avenue de l’Esplanade, period listed as August 2026 to 2027. View source ↗
3. Public contract data — MAS-2026-020 — tender for construction of the ramp; eight bidders identified.