Trentbarton buses stopped serving part of Cotmanhay in Ilkeston earlier this week after young yobs struck. Objects were thrown at three buses on Monday night (December 5) - damaging the vehicles.
The "reckless acts" happened between Ilkeston Tesco and Church Street. Nobody was injured but the buses are now out of action and being repaired while police investigate.
A trentbarton spokesperson said: "We stopped serving part of Cotmanhay on Monday evening between Ilkeston Tesco and Church Street after three buses were damaged by being hit with objects thrown at them. The buses on the two routes sustained broken windows and are currently off the road for repair.