Project Schedule

The following schedule outlines the timing of planned key components within each calendar year over the contract’s duration. This schedule will be updated as the project progresses.

Year 1 (2024)

  • Rehabilitate Langstaff Road underpass structure

  • Shoulder strengthening along Highway 400 median shoulders and Langstaff Road southeast and southwest ramp

  • Construct permanent ramp widening and replace culverts under ramps along the west side of Highway 400 (southbound ramps)

  • Construct mainline culverts using trenchless installation method

  • Construct permanent ramp widening and replace culverts under ramps along the east side of Highway 400 (northbound ramps)

  • Construct outside widening, advanced traffic management system (ATMS) infrastructure and outside overhead sign footings along Highway 400 southbound

  • Rehabilitate Black Creek culvert

Year 2 (2025)

  • Rehabilitate Rutherford Road underpass structure;

  • Rehabilitate existing Highway 400 northbound lanes and shift the crown between existing crown and proposed widening;

  • Construct outside widening, ATMS infrastructure and outside overhead sign footings along Highway 400 northbound;

  • Reconstruct Highway 400 northbound concrete barrier separator and storm sewer system between the Langstaff Road off-ramp and the transfer lanes;

  • Construct HIghway 400 southbound core/collector transfer lane concrete barrier separator and storm sewer system, including storm sewer outlet, using trenchless installation method;

  • Rehabilitate existing Highway 400 southbound lanes and shift the crown between existing crown and proposed widening; and

  • Construct retained soil systems (RSS) wall south of Bass Pro Mills interchange.

Year 3 (2026)

  • Reconstruct median tall wall, median storm sewer system, median footings and median high mast lighting along Highway 400;

  • Rehabilitate existing Highway 400 lanes between existing crown and the median barrier; and

  • Construct overhead sign support structures and install final signage.

Year 4 (2027)

Pave the surface course asphalt and paint final pavement markings.

Highway 400 with vehicles

Existing Highway 400 in Project Area

Project Milestones

View completed project milestones:

  • There are currently no completed milestones.