Bad Junctions
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The aim of this page is quite simple - investigate the interchanges of the major road network of Britain and root out the bad ones. Each bad junction has its own page, explaining where it is, what it does, and exactly why it's wrong. You can even respond - if you think a junction hasn't had a fair hearing, email me and say so!
Junctions can be bad for all sorts of reasons. But in this section, I'm looking for bad design, not just the most congested junctions. Very often the most congested interchanges are of a perfectly good design, and are just no longer suitable for the amount of traffic they carry. Congestion is also frequently the result of bad design - but we're looking for the cause and not the symptom.
Click the name of a Bad Junction to open its page. They are arranged here in order of the lowest numbered road at the junction.
Junctions were marked 
on 20 February and others were 
on 7 February 2009.
M1-M6-A14
Catthorpe Interchange
Catthorpe, Leicestershire
M1-M25
Chiswell Interchange
St Albans, Hertfordshire
A1-M25-A1081
South Mimms Interchange
South Mimms, Hertfordshire
M1-A41-A4008
Berrygrove Interchange
Watford, Hertfordshire
A1-A58
Wetherby South Interchange
Wetherby, West Yorkshire
M1-M62
Lofthouse Interchange
Rothwell, West Yorkshire
A1(M)-A194(M)-A1231
Birtley Interchange
Washington, County Durham
M1-A405
Waterdale Interchange
Watford, Hertfordshire
A1-A421
Black Cat Roundabout
St Neots, Bedfordshire
M1-A421-A507
Ridgmont Interchange
Ridgmont, Bedfordshire
M3-A31
Chilcomb Interchange
Winchester, Hampshire
A3-A243-A309
Hook Interchange
Kingston, Surrey
M4 Spur
Heathrow Interchange
Heathrow Airport
M5-M50
Strensham Interchange
Strensham, Worcestershire
M5-A417
Brockworth Interchange
Brockworth, Gloucestershire
M6-A34
Great Barr Interchange
Walsall, Staffordshire
M6 Toll-A38
Langley Mill Interchange
Sutton Coldfield, West Midlands
M6-M58
Orrell Interchange
Wigan, Lancashire
M6-A683
Halton Interchange
Lancaster, Lancashire
A7-A68-A720
Sherriffhall Roundabout
Sherriffhall, Edinburgh
A8-A725
Coatbridge Interchange
Coatbridge, Lanarkshire
A9-M90-A93
Broxden Roundabout
Perth, Perthshire
M11-A14-A428
Girton Interchange
Girton, Cambridgeshire
A12-A130-A138
Boreham Interchange
Chelmsford, Essex
A14-A14-A141
Spittals Interchange
Huntingdon, Huntingdonshire
A21-M25-M26
Chevening Interchange
Sevenoaks, Kent
A23-A27
Patcham Interchange
Brighton, Sussex
M27-M271
Rownhams Interchange
Southampton, Hampshire
A31-A338
Ringwood Interchange
Ringwood, Hampshire
M40-A43
Cherwell Valley Interchange
Cherwell Valley, Oxfordshire
M40-A46-A429
Longbridge Island
Longbridge, Warwickshire
M40-A404
Handy Cross Interchange
High Wycombe, Buckinghamshire
M42-A446-A4097
Dunton Interchange
Kingsbury, Warwickshire
A45-A46
Toll Bar End Roundabout
Toll Bar End, Coventry
A46-A606
Widmerpool Interchange
Keyworth, Nottinghamshire
M50-B4221
Linton Interchange
Ross-on-Wye, Herefordshire
A52-A61
Pentagon Roundabout
Derby, Derbyshire
A56-A682
Edenfield Interchange
Rawtenstall, Lancashire
M57-M58-A59
Switch Island
Sefton, Merseyside
M58-A577
Digmoor Interchange
Skelmersdale, Lancashire
M60-M62-M66
Simister Interchange
Oldham, Lancashire
M60-M62-M602
Worsley Interchange
Worsley, Lancashire
M60-A560
Lower Bredbury Interchange
Stockport, Cheshire
M62-M621-A650
Gildersome Interchange
Gildersome, West Yorkshire
A90-A945-B9077
Bridge of Dee
Kincorth, Aberdeen
A563-A5460
Grove Farm Triangle
Braunstone, Leicester
With thanks to 'c2r' and Vivienne for information on this page.
