Aylesford Interchange
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| Aylesford Interchange | |||
| Location Map ( geo) | |||
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| Location | |||
| Aylesford | |||
| County | |||
| Kent | |||
| 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.
Routes
| Route | To | Notes |
| London | ||
| 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 | ||
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