Construction began in May 2023 and is anticipated to be completed by Fall 2025. This project includes:
- Expanding Highway 1A from two to four lanes (2 lanes in each direction) from just west of Highway 22 to 6th Avenue (east of Big Hill Creek).
- Two new bridges on Highway 1A over Big Hill Creek
- Replacing the Highway 22 CP Rail overpass over Highway 1A with a new larger overpass structure
- New interchange ramps and roundabouts connecting highways 1A and 22 as part of the interchange
View a rendering of the interchange
Questions?
Email hwy1a22@islengineering.com
Throughout construction, Cochrane Protective Services are engaged in regular project updates with the contractor and Alberta Transportation to ensure that emergency access is maintained for all communities as public safety is a top priority.
Alberta Transportation updates
January 15, 2026: Interchange update – Pedestrian tunnel opening
Alberta Transportation has shared that the pedestrian tunnel under Highway 22 opened on January 16, 2026. The tunnel includes interior lighting to improve visibility and safety for users.
Line painting is being touched up in various places, remaining permanent line painting will take place in the spring. Speed limits are also being adjusted, with the remaining 30 km/h sections being removed. Please continue to drive with care and follow posted signage.




