Plans for M25 “smart junctions”

A series of “smart” junctions are set to be introduced in a bid to cut congestion on the M25, according to reports.

The Times says that traffic lights will be linked to roads off the network, meaning traffic flow onto the motorway can be reduced when it gets too congested.

It says Highways England believe the synchronised signalling will mean they will be able to respond to traffic build-ups more effectively.

Edmund King, president of the AA, told the paper: “Frankly there are too many junctions on the M25 and lots of the problems are caused by ‘junction hoppers’ who come on and off in the space of one junction and cause a domino effect when they brake. It needs to be managed much more efficiently and hopefully this will help things.”

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Comments

Why do the press nearly always produce a reaction from the AA or RAC when there is a news-worthy article on Traffic and Transportation? A much more informed response could be had from the Chartered Institution of Highways and Transportation (CIHT) or even the Institution of Civil Engineers (ICE). If you want fully-informed comment, ask the professionals, not the amateurs.

How is this different to Ramp Metering?