(Waynesville)–Missouri Department of Transportation maintenance crews are expected to be working along Interstate 44 in Pulaski County this week to make an improvement to the edge of the roadway. The shoulder repairs will require single-lane closures along Interstate 44 in both directions in Pulaski County. This work will take place between 7 a-m and 4 p-m every day this week. Motorists are advised to slow down, stay focused, and obey all traffic signs through the work zone.