Original sentence: The original operation Overdrive involved the purchase of 61 new buses, upgrading 40 existing buses, upgrades to the route network, introducing GPS tracking, improved lighting at the Pentagon Bus Station in Chatham, depot upgrades including a vehicle wash, and introduction of a yellow liveried school fleet
Edited sentence: The original operation Overdrive involved the purchase of 61 new buses, upgrading 40 existing buses, upgrades to the route network, introducing GPS tracking, improved lighting at the Pentagon bus station in Chatham, depot upgrades including a vehicle wash, and introduction of a yellow liveried school fleet