GO Train

Barrie Line GO Expansion

We're transforming GO Transit to bring more frequent two-way, all-day service to the Barrie Line.

Corridor Work Ongoing in King City

Expected Duration

Nov 2, 2026 - May 31, 2027

Working Hours

Monday to Friday, 11:00 p.m. to 6:00 a.m.

Date of Notice

Oct 23, 2026

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Crews working on behalf of Metrolinx are continuing work within the rail corridor in King Township

What is Happening?

As part of the improvements being made at King City GO Station, crews working on behalf of Metrolinx are continuing work within the rail corridor in King Township. Activities include grading, followed by the installation of high-security fencing and noise walls to support future service increases on the Barrie Line.  Additionally, electrical infrastructure and cable installation work will be conducted to support future electrification of the tracks.

Work has been underway since Fall 2025 and is being completed in phases. Construction activities may occur in different areas of the corridor at different times. Schedules must account for track access requirements, existing utilities that require coordination, and future project phases- including the installation of additional culverts starting Spring 2027.

What to expect

  • Construction lighting may be visible from the work site.
  • Where possible, lights from equipment will be positioned away from residential homes to keep light pollution levels low.
  • Trucks and construction equipment may generate dust during construction.
  • Crews will take precautions to monitor and reduce dust.
  • Increased presence of construction vehicles and equipment can be expected in the work area.
  • Work areas will be clearly marked or fenced off to ensure public safety.
  • Please exercise caution around active construction sites.
  • Work may be delayed or rescheduled due to weather or unforeseen circumstances.

Traffic Changes

  • No disruptions to traffic are anticipated.

Pedestrian Access

  • All pedestrian sidewalks will remain open throughout the work.

Noise and Vibration

  • Residences and businesses in the area may experience noise and vibration caused by construction equipment related to this work.
  • Crews will take measures to minimize disruptions to the surrounding area wherever possible.
  • To minimize noise impacts on the community, noise monitoring equipment will be installed prior to construction. These devices will help to detect exceedances early to proactively conduct corrective actions as needed while crews work.
  • Trucks accessing the site will be equipped with broadband backup alarms, which emit a less disruptive sound compared to traditional beeping backup alarms.

Transit Service

  • There is no anticipated impact to transit services.

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