Travelers on Northbound Interstate Five between Redding and Mount Shasta need to plan for significant delays. Cal-Trans is preparing for major roadwork on the freeway just north of Dunsmuir and traffic is reduced to just one lane. Delays of 30 minutes can be expected during regular hours and one hour delays should be expected during peak hours, which are 7AM to 9AM and 1PM to 6PM. The actual construction begins July 9th, but the bottleneck restrictions are already in place.