Those parts of Warwickshire, West Midlands, Hereford and Worcester, Shropshire, Staffordshire, Leicestershire, Oxfordshire and Gloucestershire bounded by:

On the North the A41 from Ternhill to A519 at Forton. A519 to Eccleshall, B5026 to Walton roundabout at junction with A34. A34 to Aston-by-Stone roundabout, A51, minor road (Lichfield Road) to B5027, B5066 to Hilderstone and minor road to Draycott where it intersects with the A50 at Cresswell. A50, A522 to Uttoxeter Town Centre, the railway line to the A511 at Tutbury, A511 via Burton-on-Trent and including road through Coalville town to M1 (Junction 22). On the East the M1 south to it’s crossing of A426, A426 to Lutterworth. A427 to the junction with the A5, and A5 to Kilsby, A361, A45, A425 and A361 via Daventry to Banbury. On the South by A361 from Banbury to Chipping Norton, A44, A436 to Stow-on-the-Wold.  B4077 and A46 to A438 at Tewkesbury. A438 and A449 to Ledbury. On the West the B4214 via Bromyard to A456 at Tenbury Wells.  A456, A49 to Ludlow, A4117, B4364 to Bridgnorth, A442, passing Telford to A53 at Hodnet, A53 to A41 at Ternhill.