GORHAM - The Maine Department of Transportation is planning to do paving and sidewalk-improvement work on Route 237 (Mosher Road) in Gorham. The project begins one-third of a mile north of Queen Street and extends north to the Route 202 intersection. Drivers should anticipate one-way alternating traffic during daytime construction activities. Glidden Excavating & Paving, Inc. of Gorham is the contractor on this project, which is scheduled to begin on May 20th and be finished by June 21st.