 Hampshire have three RPU bases; Eastern based in Havant, western based in Totton and northern based in Whitchurch off of the A34.Lancashire Constabulary maintains a Motorway Unit Base at Samlesbury, near Preston, at the junction of the M6 (Junction 31) and A59.Following the introduction of the Highways Agency Traffic Officers in the North West region 2006, Lancashire Constabulary's Motorway Unit was scaled down, now maintaining a minimum level of resources.