Complex sentence: Contractors built new roads and altered existing roadways; relocated railroad facilities; relocated city owned facilities in Wakefield and Milford; relocated electrical, telephone, and gas lines; relocated cemeteries; built recreation areas; and cleared structures from within the reservoir flood pool.
Split into simpler sentences: Contractors built new roads and altered existing roadways, and relocated railroad facilities, city owned facilities in Wakefield and Milford, electrical, telephone, and gas lines, and cemeteries. They also built recreation areas and cleared structures from within the reservoir flood pool.