The Road Traffic (Permitted Parking Area and Special Parking Area) (County of Hertfordshire) (Borough of Dacorum) Order 2003
This Order applies to the whole of the Borough of Dacorum except the entire length within the borough of each of the A5, the A41 (and its on and off slip roads), the M1 (and its on and off slip roads) and the M25 (and its on and off slip roads).