Aerial view of Stage 3 of Terwillegar Drive Expansion

Stage Three includes road widening, Terwillegar Drive and Anthony Henday Drive Interchange upgrades, dedicated transit lanes and a shared pathway.

Project Update - Spring 2025

Some early work construction has begun on Stage 3, which includes building the head slope fills for both the new Terwillegar Drive roadway bridge and a new separated pedestrian bridge, both of which will be constructed as part of the main construction work, which is expected to begin in spring 2026.

Completing the head slope fills in 2025 will allow ground settlement before bridge construction in 2026.

Detailed design work is also underway for the next phase of the project, which will complete the interchange upgrade by constructing:

  • A new roadway bridge carrying northbound Terwillegar Drive over Anthony Henday Drive.
  • Reconfiguration of the existing bridge to carry southbound Terwillegar Drive over Anthony Henday Drive.
  • Two new loop ramps connecting southbound Terwillegar Drive to eastbound Anthony Henday Drive and northbound Terwillegar Drive to westbound Anthony Henday Drive.

Additional improvements include:

  • Widening Terwillegar Drive/170 Street to six lanes (three in each direction), including new transit lanes.
  • A new separated shared-use path bridge over Anthony Henday Drive, connecting South Terwillegar to Windermere Boulevard, east of Currents Pointe.

Terwillegar Drive Stage Three Overview Map