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Stoney Trail North Interchange projects

Project updates - September 16, 2020

Stoney Trail / 14 Street N.W. interchange

Bridge girders have all been installed and work on forming the bridge deck is underway.  Toplift paving north of Stoney Trail is underway  and crews are working on final curb tie-ins and sidewalk/pathway grading. Curb construction and base lift paving  south of Stoney Trail is ongoing.

To accommodate the tie-in of paving to the existing ramps, closures of the following ramps are required on Monday September 21st:

  • From 7:00 AM until 1:00 PM, the westbound Stoney Trail to northbound 14 Street N.W. ramp will be closed. Traffic will be detoured to Beddington Trail to access Symons Valley Parkway.
  • From 1:00 PM until 7:00 PM, the southbound 14 Street N.W. to westbound Stoney Trail ramp will be closed. Traffic will be detoured to Beddington Trail to access Stoney Trail.

Design work is currently underway for improvements on two other North Stoney Trail interchanges at Shaganappi Trail and Stoney Trail N.W. and at Centre Street / Harvest Hills Boulevard and Stoney Trail N., as well as on  a brand new interchange at 11 Street N.E. and Stoney Trail. 

About the Stoney Trail North interchange projects

North Calgary has continued to experience significant growth in population and traffic over the last few years with the existing communities north of Stoney Trail, including Nolan Hill, Sage Hill, Evanston and Sherwood Park, continuing to develop and expand. With the planned addition and development of the new communities of Carrington, Livingston, Keystone Hills and other developments in the area, further traffic stress will be added to the surrounding roadways and interchanges requiring improvements to the network in order to maintain traffic flows and support the development.

As approved in The City’s Investing in Mobility plan and the One Calgary 2019-2022 Service Plans and Budgets, The City is investing in improvements to multiple points of access along Stoney Trail. The Stoney Trail and 14 Street N.W. interchange is currently under construction with completion expected in summer 2021. This project will also include the upgrade of the existing Shaganappi Trail N.W. and Harvest Hills Blvd. interchanges on Stoney Trail and the construction of a new interchange at Stoney Trail and 11 Street N.E.

14 Street NW

Location: Stoney Trail and 14 St NW

Description:

  • Four-lane 14 Street N.W. bridge over Stoney Trail
  • Northbound to westbound Stoney Trail and southbound to eastbound Stoney Trail 'on' ramps
  • Westbound to southbound 14 Street and eastbound to northbound 14 Street ‘off’ ramps
  • Two merge loops onto Stoney Trail
  • Tear drop traffic circles, instead of traffic signals on the north and south sides of the bridge
  • Asphalt pathways and concrete sidewalks on the east and west side of the new interchange

Construction timeline: summer 2019 - summer 2021

Impacts:

  • Reduced speed limit (80 km/hr) in construction zone on Stoney Trail
  • Occasional traffic restrictions/lane closures in construction zone on Stoney Trail

Project update: Bridge girders have all been installed and work on forming the bridge deck is underway. Base lift paving north of Stoney Trail is substantially complete and crews are working on final curb tie-ins and sidewalk/pathway grading. Earthworks, drainage installations, and streetlight construction south of Stoney Trail is ongoing.

Shaganappi Trail NW

Location: Stoney Trail and Shaganappi Trail NW

Description:

The existing interchange at Stoney Trail and Shaganappi Trail N.W. was constructed in 2006-2007 and is three lanes wide, with two lanes southbound and a single lane northbound. This project will upgrade the interchange by building a second three-lane bridge adjacent to the existing north-south bridge, providing three travel lanes in each direction once completed. The final interchange will provide a multi-use pathway which will connect to pathways on both the north and south sides of Stoney Trail.

In addition to upgrading the interchange, this project also includes an upgrade to the Shaganappi Trail/Hidden Valley Drive intersection to facilitate better access to and from the community.

Construction timeline: 2021 - 2022

Project update:

  • Detail design is currently underway
  • Site survey and preliminary geotechnical investigations are being completed

Impacts:

  • Potential temporary single lane closures or lane width reductions on Shaganappi Trail as part of the site survey and geotechnical work

Harvest Hills Blvd

Location: Stoney Trail and Harvest Hills Blvd

Description: 

The existing interchange was constructed in 2010 and is three lanes wide, with two lanes northbound and a single lane southbound. This project will upgrade the interchange by building a second three-lane bridge adjacent to the existing north-south bridge, providing three travel lanes in each direction once completed. For those wanting to walk or cycle across Stoney Trail, the final interchange will include a multi-use path which will connect to existing and future pathways.

Construction timeline: 2021 - 2022

Project update:

  • Detail design is currently underway​
  • Site survey and preliminary geotechnical investigations are being completed
  • A developer is undertaking some roadworks to the north of Stoney Trail

Impacts:

  • None currently.

11 Street NE

Location: Stoney Trail and 11 St NE

Description: New on-off ramps to and from the north, and a full interchange

  • Detail design is underway

Construction timeline: TBD. To be coordinated with adjacent development.

Impacts:

  • None currently
  • Site survey and preliminary geotechnical investigations are currently underway.

Project update: Detail design is currently underway​

About the Calgary Ring Road

Calgary's Ring Road is located within The Province's Transportation Utility Corridor (TUC) and is operated and maintained by the Government of Alberta through Alberta Transportation. The northwest, northeast, and southeast sections of the Ring Road (Stoney Trail) are completed and in use. Construction on the southwest and west sections are currently underway.

When the Calgary Ring Road is complete, it will provide 101 kilometers of free-flow travel around Calgary and contribute to safe and easy movement of goods and people in and around the city.

Project timelines

  • Construction of  14 Street N.W. interchange: Underway
  • Detail design of 3 other interchanges - Shaganappi Trail N.W., Harvest Hills Blvd  N. and 11 Street N.E.: Underway
  • Construction work on the 3 interchanges: 2021 - 2022
  • Completion of 14 Street N.W. interchange work: Summer 2021

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