M1 6A Chiswell Interchange

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Route

Junction number

Markerpost

33.5

Name

Chiswell Interchange

Type

Non-standard interchange

Terminus

Not a terminus

Other routes

M25

Authority

Highways England

Restricted turns

Some turns restricted

Services

No services

Layout and signage

M25
(M3)
(M4)
(M40)

M25
(M11)
(M20)

Stansted

(M11 Link)
Dartford (M20 Link)
Heathrow Airport

(M40 Link, M4 Link, M3 Link)
M25

Lane configuration

Lanes Lanes Lanes Lanes Lanes Lanes

Lane 1 is gained from the entry sliproad.
Lane 2 continues ahead.
Lane 3 continues ahead.
Lane 4 continues ahead.

Lanes Lanes Lanes Lanes Lanes Lanes

Lane 1 exits and does not return.
Lane 2 continues ahead.
Lane 3 continues ahead.
Lane 4 continues ahead.

Other events

Variable Speed Limits apply

National Speed Limit begins

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Have you seen...

Those last few miles of the M1 east of Leeds were completed in 1999. It looks for the most part like a fairly average piece of road, but one of the project's engineers describes some of the challenges that were faced.