Central

Those parts of Derbyshire, Nottinghamshire, Leicestershire, Lincolnshire, Rutland, Northamptonshire and Staffordshire bounded by:
On the North the A6 from the A5270 at Blackwell, east of Buxton, via Bakewell to A615 at Matlock. Straight line to A614/A616 at Ollerton Island. The A6075 via Tuxford and the A57 to the River Trent at Dunham Bridge. Eastwards to the junction of the A57/B1241 in Saxilby. A straight line from Saxilby to Sutton on Sea, junction A52/A1111. On the South the Lincolnshire boundary with Norfolk and Cambridgeshire to A15 at Deeping Gate, the A16, A6121 to A1 at Stamford, the A6121 , A47, A6003, to Uppingham. B664 to the A6 at Great Bowden, A4304 via Market Harborough and junction 20 (M1), to the A426 at Lutterworth. On the West the A426 to the crossing of the M1, the M1 to Junction 22(M1) at Markfield. The A511 (including Coalville) to Burton-On-Trent to the railway line at Tutbury. The railway line to Uttoxeter town centre and the A522 to junction with the A50. The A522 to Cheadle, the A521, A524 to Froghall, B5053 to A515, A515/A5270 to A6 at Blackwell.

East

Those parts of Norfolk, Suffolk and Cambridgeshire bounded by:

On the North by the Lincolnshire boundary from Deeping Gate to the sea. On the South the Suffolk/Essex boundary to the A11, at Stump Cross. On the West the A11, A1304 to Newmarket, A142 to A14, A14 to A10 at Milton, A.10 to Stretham, A1123 to Huntingdon, A141 to B1043, the B1043 through Great and Little Stukely to Alconbury, the Old A1 to Norman Cross. A15, A605, A1139, A47 around Peterborough to the east, to A15 at Walton and A15 to Cambridgeshire/Lincolnshire boundary at Deeping Gate.

Liverpool

Those parts of Lancashire, Merseyside, Cheshire, Shropshire, Clwyd, Gwynedd, Ceredigion and Powys bounded by:

On the North by the River Ribble to Preston. On the East the A6 to A49 adjacent to junction 29(M6), A49 to Wigan, A49 via Warrington to Whitchurch (Cheshire Way Island), the B5476 through Whitchurch to join the A41 to Ternhill. The A53, A442 via Telford to Bridgnorth and B4364, A4117 to Ludlow. On the South A49, A4113, A488, A44, A470, A44 via Knighton, Cross Gates, Rhayader and Llangurig to Aberystwyth. Including the entrie Isle of Man.

London East

Those parts of Essex, Hertfordshire, Cambridgeshire and Greater London bounded by:

On the north A14 from A10 at Milton to the A142, to Newmarket, A1304, A11 to Essex boundary at Stump Cross, the Essex boundary with Cambridgeshire and Suffolk to the sea. On the south the River Thames. On the west from London Bridge the A10 to Tottenham, the A1010 to Cheshunt, the B176, A1170 to Ware, A10 to Royston, A10 TO M11 (junction 11) and the A1309 to A10 / A14 junction at Milton.

London North

Those parts of Greater London, Bedfordshire, Buckinghamshire, Cambridgeshire, Hertfordshire and Oxfordshire bounded by:

On the North BY A421 and A422 from Bicester to Old Stratford, the A508 to junction with Grafton Way, a straight line to the A509 / A422 junction. A422, A428 to Bedford, the B660, B645, B661, and A1 TO A14 / A1 junction at Brampton, A14 to A14 / A141 junction at Huntingdon. A141, A1123 to the A10 at Stretham.  On the East by A10 to A14 at Milton, A1309 via Cambridge to A10/M11 (junction 11), the A10 to Royston, A10 to Ware, A1170, B176 to Cheshunt, the A1010 to Tottenham and A10 to the Thames at London Bridge. On the South the Thames to Westminster Bridge. On the West the A41 bypassing Watford, Hemel Hempstead and Tring to Aylesbury. The A41, A421, A4421 at Bicester.

London South

Those parts of Greater London, Kent, Surrey, East Sussex and West Sussex bounded by:

On the north by the Thames from Westminster Bridge to London Bridge. On the east the A2, A20 to Lewisham, A21 to Badgers Mount, A224 to Riverhead, A25 to M25 link road (junction 5), the A21 to Hastings. On the west the A284 from Littlehampton, A27 to Arundel, A284, A29, B2138, A283 via Petworth to Milford. The A3 from Milford to north of Guildford and then via B2215 through Ripley.  A3 to the crossing point with the A307 north of Cobham.  A307 via Esher to Kingston-upon-Thames and A308, A3 to the Thames at Westminster bridge.

London West

Those parts of Surrey, Hampshire, Wiltshire, Berkshire, Oxfordshire, Buckinghamshire and Greater London bounded by:

On the North by A4260, B4100, B4031, B4100 from Banbury to Bicester, A41 through Aylesbury, bypassing Tring, Hemel Hempstead and Watford to the Thames at Westminster Bridge.  On the East the A3 to Wimbledon Common, A308 to Kingston-on-Thames, A307 (via Esher) to the crossing point with the A3 north of Cobham. A3 to B2215, through Ripley to rejoin A3. A3 to A272 junction at Petersfield.  On the South A272 from Petersfield to New Cheriton, B3046, B3047 to Abbots Worthy, A33 to junction with A303 south of North Waltham. A303, A34 to Whitchurch, B3400, A3093, A342, A346 to Collingbourne Ducis. On the West by A388, A346 via Marlborough to M4 (junction15) at Swindon, A419, A420 to Faringdon, A4095, B4020, B4474, B4020, A40 to Burford and A361 to Banbury.

Manchester

Those parts of Greater Manchester, Merseyside, Cheshire, Shropshire, Staffordshire and Derbyshire bounded by:

On the North by A577 from Wigan to Hindley, A58 via Bolton, Bury, and Heywood to Rochdale.  A58 to the boundary between Yorkshire/Greater Manchester at B6138/Blackstone Edge.  On the East by Yorkshire/Greater Manchester boundary to Salters Brook Bridge on A628.  A straight line to Sparrowpit on A623, straight line to A6/A5270 at Blackwell.  A5270, A515, B5053 to Froghall, A524, A521 to Cheadle, A522 to A50 junction at Uttoxeter. On the South by the A50 to where it crosses the road from Draycott to Cresswell, south on this minor road to Hilderstone, B5066, B5027, via Lichfield Road to A51, A51 to Aston-by-Stone roundabout and the A34 to the Walton roundabout. The B5026 to Eccleshall, A519 to A41 junction at Forton. On the West the A41 via Ternhill to the start of the Whitchurch bypass, the B5476 through Whitchurch to A49 (Cheshire Way roundabout), the A49, via Warrington to A577 at Wigan.

Midland

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.

North

Those parts of Cumbria, Durham, North Yorkshire, West Yorkshire, Greater Manchester and Lancashire bounded by:

On the North by the Scottish border from Gretna to the Northumberland boundary. On the East by the Northumberland boundary to A689 at Cillhope Moor. A689 to St.Johns Chapel and from there straight lines to A684 at Hawes, to A65 at Clapham, to A56 at Earby and A58 / B6138 junction at Blackstone Edge. On the South BY A58 via Rochdale, Heywood, Bury, Bolton to Hindley and A577 to Wigan. On the West the A49 and A6 to the River Ribble at Preston.

North East

Those parts of Northumberland, Tyne and Wear and Durham bounded by:

On the North by the border with Scotland. On the South by a straight-line westwards from the sea to the junction of the A1086 / B1281 junction. B1281, A181 to Durham, A690 (via Willington and Crook), A689 (via Stanhope) to St. John's Chapel to Cumbria boundary at Killhope Moor. On the West by the boundary between Cumbria and Northumberland.

North Midlands

Those parts of South and West Yorkshire, Lincolnshire, Nottinghamshire and Derbyshire bounded by:

On the North by A628 from Salters Brook Bridge to A629 at Hoylandswaine Island. Straight lines to A628/A638 at Ackworth Moor Top Island, to A19/M62 at Whitley Island. M62 to M18 (junction 35) and straight line to River Ouse at Old Goole and by the Humber to the sea. On the South from the A52 / A1111 at Sutton on Sea westwards by a straight line to the A57 / B1241 junction in Saxilby and further to Dunham Bridge then by A57, A6075 via Tuxford to A614 / A616 at Ollerton Island. Straight line to A6/A615 at Matlock. A6 via Bakewell to junction with A5270 at Blackwell. On the West by straight lines from A6 / A5270 at Blackwell to A623 at Sparrowpit and A628 at Salters Brook Bridge.

Scotland

All of Scotland.

South

Those parts of Dorset, Hampshire, Wiltshire, West Sussex and Surrey bounded by:

On the North by A30 from the Devon / Somerset boundary to Salisbury via Chard, Crewkerne, Yeovil, Sherborne, Shaftesbury and A36 at Wilton, A36 to junction A345 at Salisbury, A345 to Marlborough, A346, A338 to Collingbourne Ducis, A346, A342 to Andover, A343, A3093, B3400 to Whitchurch, minor road south to A34. A34, A303 to junction with A33, south of North Waltham, A33 to A34 at Abbotts Worthy. B3047, B3046 to New Cheriton, A272 to A3 at Petersfield, A3 north to Milford. On the East the A283 via Petworth, B2138, A284 to Arundel, A27, A284 to Littlehampton. On the West by the Devon boundary from the coast at Lyme Bay to the A30 west of Chard. Including the Isle of Wight and the Channel Islands.

South East

Those parts of Greater London, Kent and East Sussex bounded by:

On the North by the River Thames from London Bridge. On the West the A21 from Hastings to the M25 link road (junction 5), A25 to Riverhead, A224 to Badgers Mount, A21 to Lewisham and the A2 / A20 to the Thames at London Bridge.

South East Midlands

Those parts of Northamptonshire, Bedfordshire, Buckinghamshire, Cambridgeshire, Leicestershire, Lincolnshire and Rutland bounded by:

On the North the A4304 from M1 (junction 20, near Lutterworth) and via Market Harborough, to A6 at Great Bowden. B664, A6003 to Uppingham. A6003, A47, A6121 to Stamford and the A16 to Deeping Gate. On the East by A15 to the A47 at Walton. Around Peterborough to the east via A47, A1139, A15 to Normans Cross, the old A1 to Alconbury, B1043 through Little and Great Stukeley to A141. On the South the A141, A14 to A14/A1 junction at Brampton, A1, B661, B645, B660 to Bedford, A428, A422 to A422 / A509 JUNCTION. Straight line to junction of A508 and Grafton Way. A508, to A5 at Old Stratford and the A422, A421, A4421 to Bicester. On the West the B4100, B4031, B4100, A4260 to Banbury, A361, A45, A425, A361 via Daventry to Kilsby. The A5 to A426 to Junction 20(M1) near Lutterworth.

South Wales

Those parts of South Wales, Hereford and Worcester bounded by:

On the North the A44, A470, A44, A488, A4113, A49 from Aberystwyth via Llangurig, Rhyader, Cross Gates, Knighton to Ludlow. On the East the A49, A456 to Tenbury Wells, B4214 to Ledbury, A449, A40 to Monmouth and the A466 to the Severn Bridge.

South West

All of Devon and Cornwall

Teesside

Those parts of Durham, Cleveland and North Yorkshire bounded by:

On the North the A689 from St. Johns Chapel (via Stanhope), A690 (via Crook and Willington) to Durham. A181, B1281 to junction with A1086, a straight-line eastwards to the sea. On the South a straight line from Ravenscar to South Kilvington roundabout (A168 / A61) and A168 to Northallerton. The A684 from Northallerton to the A1. A684 (via Leyburn) to Cumbria boundary at Hawes. On the West a straight line from Hawes to St.Johns Chapel / A689.

West

Those parts of North and South Somerset, Wiltshire, North and South Gloucestershire, Dorset and Oxfordshire bounded by:

On the North the A438 from Ledbury to Tewkesbury, A46, B4077 to Stow-on-the-Wold, A436 and A44 to Chipping Norton. On the East by A361 to Burford, A40, B4020, B4474, B4020, A4095 to Faringdon, A420, A419 to junction 15 (M4) at Swindon, A346 to Marlborough and the A345 to Salisbury. On the South the A36 from Salisbury to Wilton, the A30 via Shaftesbury, Sherborne, Yeovil, Crewkerne and Chard to the Somerset / Devon boundary and northwestwards to the Bristol Channel. On the West the A466 from the Severn Bridge to Monmouth and A40, A449 to Ledbury.

Yorkshire

Those parts of North Yorkshire, West Yorkshire and South Yorkshire bounded by:

On the North by A684 from Hawes (via Leyburn) to the A1. The A684 to Northallerton. A168 from Northallerton to South Kilvington Roundabout (A168 / A61)and a straight line to Ravenscar. On the South by the Humber and River Ouse to Old Goole. A straight line to M18 / M62 (Junction 35). M62 To (Junction 34) at A19, Whitley Island. Straight lines to A628 / A638 at Ackworth Moor Top Island, to A628 / A629 at Hoylandswaine Island. The A628 to the Yorkshire Boundary at Salters Brook Bridge. On the West by the West Yorkshire / Greater Manchester boundary to Blackstone Edge at the A58 / B6138 junction and then straight lines to Earby / A56, Earby to Clapham / A65 and Clapham to A684 at Hawes.