Motorists are advised to avoid these areas if they can or to plan their journey to give themselves more time.
Below are 17 affected roads, how long the work is scheduled to last, and the reason for the road closure.
17. St George's Quay, Lancaster
What: Road closure. Why: Bridge inspection works. When: May 15. Photo: Google Street View
18. Station Road, Lancaster
What: Road closure. Why: New service connection. When: May 29 - June 4. Photo: Google Street View