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Aylesford Interchange

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Aylesford Interchange
Location Map ( geo)
Southbound M20, Exit at Junction 5 - Geograph - 3708791.jpg
Cameraicon.png View gallery (1)
Highway Authority
National Highways
Junction Type
roundabout interchange
Roads Joined
M20, A20
The initial depiction of the junction on the OS One Inch map revision A/* left much to be desired
It was more accurately mapped when the A/*/ revision was rushed out to replace it

Aylesford Interchange (also known as Coldharbour) is junction 5 of the M20.

It was first built in 1960 as the terminus of the A20(M). It was laid out as a Trumpet Interchange, but only the roads to and from the east were initially required. Tight, looped sliproads were common on the Maidstone Bypass, an early example of a motorway. The eastbound onslip served East Park Road and Coldharbour Lane, and was actually called Coldharbour Lane itself. This had been widened to 33 feet.

When the road was extended west, the motorway became the M20, with a crossroads to allow access to Coldharbour Lane.

In the mid-1990s the Maidstone Bypass was widened and re-built, and this junction took its present form of a roundabout interchange.


Route To Notes




Ashford, Channel Tunnel, Dover, Maidstone (C), Chatham (A229) outer carriageways to M20 J6


Ashford, Channel Tunnel, Dover inner carriageways - accessed only from M20


Maidstone, Aylesford, W. Malling
Little Preston Works Unit Coldharbour Lane. No Through Road


Ashford, Dover, Maidstone (C), Chatham (A229)

Aylesford Interchange
Related Pictures
View gallery (1)
Southbound M20, Exit at Junction 5 - Geograph - 3708791.jpg
Junctions on the M20
Swanley • West Kingsdown • 2 Wrotham Hill • 3 Addington • 4 Leybourne • 5 Aylesford • 6 Sandling • 7 Junction 7 • 8 Hollingbourne • 9 Junction 9 • 10 Lacton • 10A Sevington • 11 Stanford • 11A Beachborough • 12 Cheriton • 13 Castle Hill
Junctions on the A20
New Cross • Loampit Vale • Lee Green • Cliftons Roundabout • Kemnal Corner • Frognal Corner • Crittalls Corner • Birchwood Corner • Swanley • Wrotham Hill • Wrotham Heath • Aylesford • Bridges Gyratory • Hollingbourne • Drovers Roundabout • Lacton • Stanford • Beachborough Cross Roads • Cheriton • Castle Hill • Alkham Valley • Western Heights Roundabout • Limekiln Roundabout • Prince of Wales • York Street • Eastern Docks Roundabout

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