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Active Traffic Management

Safety – emergency vehicle access

Safety was at the centre of the design of Active Traffic Management and we worked very closely with the emergency services during the development of the scheme.

The proximity of the gantries on Active Traffic Management makes for a very flexible motorway – operators at the control centre have the ability to open and close any lane of this stretch of motorway at the touch of a button. The extensive CCTV coverage also means that the operators will spot any incident very quickly and take appropriate action

In the event of an incident the operators can simply close the affected lane(s) by putting a red cross on the electronic signal above the lane. This means that the lane is clear for emergency vehicle access and traffic can still make it past the scene using the unaffected lanes. The electronic message signs will also make sure that drivers have the latest information on any road closures.

Results from the M42 have actually shown a decrease in the number of accidents – the accident rate went down from an average 5.1 a month to an average 1.8 a month.