Lasting from just one day to five weeks, the projects include lane closures and temporary traffic lights to allow work to be completed.
Motorists are advised to avoid these areas in Preston if they can or to plan their journey to give themselves more time.
Below is a full list of the affected roads, how long the work is scheduled to last and the reason for the roadworks taking place this week.
Below is a full list of the affected roads, how long the work is scheduled to last and the reason for the roadworks taking place this week.