News   Apr 03, 2020
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Terwillegar Drive Expansion

Are there any updates at all on the Whitemud SUP? Would be nice to not have to use that horrible path down to Snow Valley to go E-W.
Just went by yesterday and it's still closed. There was one construction worker walking around on the bridge though..
 
Just went by yesterday and it's still closed. There was one construction worker walking around on the bridge though..
I see the project page on the city website says "Summer 2026". Ugh I hope it doesn't turn out to be August 2026 because that would be a bit disappointing.
 
From this evening’s walk.

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0 hustle to open. So frustrating. Could be done in a week if needed.
They'd have to integrate the ends to the SUPs in a way that it doesn't have structural problems. They clearly still have the land surrounding it excavated, so they need to clean that part up first. Not to mention that, assuming they have a relatively small crew, the Rainbow Bridge takes precedence over the pedestrian path.
 
They'd have to integrate the ends to the SUPs in a way that it doesn't have structural problems. They clearly still have the land surrounding it excavated, so they need to clean that part up first. Not to mention that, assuming they have a relatively small crew, the Rainbow Bridge takes precedence over the pedestrian path.
Bridge is still open and cross-able.

That pedestrian connection has no detour. Having almost no work done for months is frustrating.
 
Bridge is still open and cross-able.

That pedestrian connection has no detour. Having almost no work done for months is frustrating.
The pictures were of the 142 Street Pedestrian/Cyclist Bridge, which passes over the Whitemud, not the new Rainbow Valley Pedestrian Bridge that looks very complete save for some paving.

But even then, the 142 Street Pedestrian/Cyclist Bridge had a decent amount of work. I do hope they finish within the summer months.
 
The pictures were of the 142 Street Pedestrian/Cyclist Bridge, which passes over the Whitemud, not the new Rainbow Valley Pedestrian Bridge that looks very complete save for some paving.

But even then, the 142 Street Pedestrian/Cyclist Bridge had a decent amount of work. I do hope they finish within the summer months.
I know. That’s why I’m saying they should get it opened already as there’s basically no detour for that crossing. Massive missing link they’re dragging their feet on finishing.
 
When I drove by last week. Graham had equipment sitting on the deck not moving for a few months. And sections of the railing haven't changed for as long.
 

Terwillegar Drive Expansion - Stage Two​

Project Update - April 2026​

Stage Two is nearing completion. Construction on the westbound Rainbow Valley Bridge is now complete. Traffic has been shifted to the completed bridge to accommodate ongoing work on the eastbound Rainbow Valley Bridge, which is expected to be finished in 2026.

Work continues across the corridor to improve traffic flow, transit reliability and active transportation connections.

Ongoing and Upcoming Work​

Several interchange improvements on Whitemud Drive/Terwillegar Drive have been completed, including:
  • Widening of the westbound Whitemud Drive to southbound Terwillegar Drive loop ramp
  • Widening of the northbound Terwillegar Drive to eastbound Whitemud Drive ramp
  • Paving and landscaping for these areas will take place in 2026.
Additional interchange work includes:
  • Partial ramp widening from northbound Terwillegar Drive to northbound Whitemud Drive and southbound Whitemud Drive to southbound Terwillegar Drive
  • Widening of Whitemud Drive to four lanes in each direction between Terwillegar Drive and 122 Street, now complete, with final paving and landscaping scheduled for 2026
  • Completion of the westbound Whitemud Drive/122 Street ramp, with final paving in 2026. Construction of the eastbound ramp will begin in 2026.
Active transportation improvements:
  • The Rainbow Valley Pedestrian Bridge is nearing completion and will open in summer 2026.
  • A new pedestrian/cyclist bridge over Whitemud Drive near 142 Street is nearing completion and will also be open in summer 2026
  • Shared pathways through Rainbow Valley will open in summer 2026, improving connections to nearby trails and communities
Transit improvements:
  • A new bus-only lane from 53 Avenue to Terwillegar Drive, bypassing the Terwillegar Drive/Whitemud Drive interchange is complete.
  • A southbound bus stop will be provided at 53 Avenue for Route 31 Leger starting in June 2026. Future service information will be shared on Transit.
As part of the project, the retaining walls are complete and the noise wall (southbound Whitemud Drive, 47A Avenue to 45 Avenue) was completed in 2025.

Terwillegar Drive Expansion - Stage Three​

Project Update - April 2026​

With site preparation now complete, construction on Stage 3 of the Terwillegar Drive Expansion Project will begin this spring and is expected to take approximately two years.

This stage includes a new interchange and pedestrian/cyclist bridge over Anthony Henday Drive, along with corridor upgrades to support future traffic, transit and active transportation needs.

Traffic impacts:
  • During construction, two lanes of traffic will be maintained in each direction.
  • Short-term daytime and occasional nighttime lane closures may be required.
  • Minor impacts to Anthony Henday Drive, including temporary lane closures and reduced speeds
Terwillegar Drive Stage Three Overview Map

Spring 2026 newsletter with photos
 

Terwillegar Drive Expansion - Stage Two​

Project Update - April 2026​

Stage Two is nearing completion. Construction on the westbound Rainbow Valley Bridge is now complete. Traffic has been shifted to the completed bridge to accommodate ongoing work on the eastbound Rainbow Valley Bridge, which is expected to be finished in 2026.

Work continues across the corridor to improve traffic flow, transit reliability and active transportation connections.

Ongoing and Upcoming Work​

Several interchange improvements on Whitemud Drive/Terwillegar Drive have been completed, including:
  • Widening of the westbound Whitemud Drive to southbound Terwillegar Drive loop ramp
  • Widening of the northbound Terwillegar Drive to eastbound Whitemud Drive ramp
  • Paving and landscaping for these areas will take place in 2026.
Additional interchange work includes:
  • Partial ramp widening from northbound Terwillegar Drive to northbound Whitemud Drive and southbound Whitemud Drive to southbound Terwillegar Drive
  • Widening of Whitemud Drive to four lanes in each direction between Terwillegar Drive and 122 Street, now complete, with final paving and landscaping scheduled for 2026
  • Completion of the westbound Whitemud Drive/122 Street ramp, with final paving in 2026. Construction of the eastbound ramp will begin in 2026.
Active transportation improvements:
  • The Rainbow Valley Pedestrian Bridge is nearing completion and will open in summer 2026.
  • A new pedestrian/cyclist bridge over Whitemud Drive near 142 Street is nearing completion and will also be open in summer 2026
  • Shared pathways through Rainbow Valley will open in summer 2026, improving connections to nearby trails and communities
Transit improvements:
  • A new bus-only lane from 53 Avenue to Terwillegar Drive, bypassing the Terwillegar Drive/Whitemud Drive interchange is complete.
  • A southbound bus stop will be provided at 53 Avenue for Route 31 Leger starting in June 2026. Future service information will be shared on Transit.
As part of the project, the retaining walls are complete and the noise wall (southbound Whitemud Drive, 47A Avenue to 45 Avenue) was completed in 2025.

Terwillegar Drive Expansion - Stage Three​

Project Update - April 2026​

With site preparation now complete, construction on Stage 3 of the Terwillegar Drive Expansion Project will begin this spring and is expected to take approximately two years.

This stage includes a new interchange and pedestrian/cyclist bridge over Anthony Henday Drive, along with corridor upgrades to support future traffic, transit and active transportation needs.

Traffic impacts:
  • During construction, two lanes of traffic will be maintained in each direction.
  • Short-term daytime and occasional nighttime lane closures may be required.
  • Minor impacts to Anthony Henday Drive, including temporary lane closures and reduced speeds
Terwillegar Drive Stage Three Overview Map

Spring 2026 newsletter with photos
It’s incredible how much wasted land there is around this whole interchange…
 

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