"We want to make our roads safer for everyone" - Policing Sergeant Dave Ruddy. Image: Warwickshire Police"We want to make our roads safer for everyone" - Policing Sergeant Dave Ruddy. Most referrals follow collisions or police investigations, but officers say tip-offs from members of the public also play a significant role. Roads policing Sergeant Dave Ruddy said the aim of Operation Revoke was to improve safety rather than simply punish drivers. Sergeant Ruddy added that the scheme was particularly useful in identifying drivers who misuse drugs or alcohol.