Coquihalla Highway Conditions: Summer Construction And Weekend Traffic Delays Impact Highway 5
On July 24, 2026, summer motorists utilizing British Columbia's critical interior corridor face major slowdowns due to intensive seasonal roadwork and peak weekend travel volumes. The BC Ministry of Transportation and Infrastructure is advising travelers to expect significant delays along Highway 5, particularly between Hope and Merritt. Active construction zones, lane closures, and seasonal bridge maintenance have heavily impacted real-time Coquihalla highway conditions, making pre-trip planning essential for everyone on the road.
Sector / Location Type of Disruption Expected Delay Status & Alternative Routes Hope to Great Bear Snowshed Resurfacing & Lane Closures 20–30 minutes Single lane alternating at night; use Highway 1 for lighter vehicles. Box Canyon to Larson Hill Bridge Maintenance 15–20 minutes Speed limits reduced to 80 km/h; watch for active crews. Merritt to Kamloops High Traffic Volume 10–15 minutes Steady flow but high congestion; peak hours 12 PM to 7 PM. Zopkios Rest Area Commercial Vehicle Inspections Minimal Open; high volume of heavy commercial transport trucks.
Context & Background
The ongoing disruptions stem from the Ministry's comprehensive 2026 Summer Infrastructure Initiative. Crews are working to complete vital resurfacing projects and finalize long-term climate-resilient upgrades along the corridor. This route, which serves as the primary commercial and recreational link between the Lower Mainland and the Okanagan, routinely sees its highest traffic volumes during late July weekends.
Engineers are focusing heavily on reinforcing bridge decks and paving high-wear sections of the highway near the Great Bear Snowshed. While these projects are scheduled during dry summer months to ensure durability, they inevitably restrict traffic flow during peak hours. Officials emphasize that these structural enhancements are crucial to keeping the highway safe and reliable ahead of the challenging winter driving season later this year.
Impact & Utility
With temperatures in the BC interior climbing, drivers must prepare for hot conditions during potential roadside delays. Slow-moving traffic not only increases travel times but also raises the risk of vehicle overheating, especially on the steep climbs of the Coquihalla. Motorists are strongly encouraged to inspect their vehicles before departure and carry ample water for all passengers and pets.
To safely navigate the current Coquihalla highway conditions, drivers should utilize the following resources and safety practices:
Monitor Live Webcams: Check the DriveBC portal for real-time visual updates on congestion at the Zopkios and Larson Hill summits. Respect Construction Zones: Speed limits are strictly enforced at 80 km/h or lower in active work areas, with fines doubled for violations. Consider Alternative Routes: For non-commercial travelers heading to the Okanagan, utilizing Highway 1 (Fraser Canyon) or Highway 3 (Crowsnest) may bypass the heaviest bottlenecks.
Snow expected on Coquihalla Highway, Environment Canada says
What's Next
The current phase of daytime lane closures is expected to persist through the end of August 2026. However, to minimize the impact on daytime commuters, project managers are planning to shift heavy paving operations to night shifts starting next week. Drivers should prepare for overnight single-lane alternating traffic patterns between 8:00 PM and 6:00 AM.
State and provincial transportation agencies will continue to issue real-time status updates as weekend traffic peaks. Commuters are advised to adjust their departure times to early morning or late evening to avoid the heaviest congestion windows.
