All trucks, tractors and tractor-trailers having a gross vehicle weight of 10,000 pounds or more are hereby excluded from all Town roads in the Town of Henrietta, except for the purpose of making local deliveries or pickups, and except for farm operations, local construction operations, Town highway and public utility trucks in similar local purposes, school buses, Rochester Transit Corporation buses, fire trucks, emergency vehicles and federal, county-owned and state-owned trucks and military vehicles.