M27 roadworks: Smart motorway work due to start tonight with speed cameras switched on

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Work to convert part of the M27 into a smart motorway will get underway tonight, Highways England has said. 

Narrow lanes and speed cameras will be in place between Junction 4 and Junction 8 while the work is carried out.

Average speed cameras have been installed on the M27

Average speed cameras have been installed on the M27

The £244m smart motorway project, which is due to be completed by the middle of 2021, is converting a 15-mile stretch of the route between Portsmouth and Southampton to four lanes.

Highways England has said speed cameras will be turned on from tonight with a 50mph speed limit.

READ MORE: Major M27 roadworks to start this week – here’s all you need to know 

It is estimated that the roadworks will add an average of 13 minutes onto current journey times. 

Smart motorways are designed to ease motorway congestion by allowing cars to drive on the hard shoulder at least some of the time.

Traffic is typically monitored by cameras and ‘active’ speed signs which can vary the limit.

READ MORE: What is a smart motorway and how do they work?

The initial work will include strengthening the hard shoulder, installing noise barriers, widening the carriageway into the central reserve.

Existing gantries will be removed and smart motorway technology and a new concrete barrier will be installed.

READ MORE: Quickest alternative routes you can take as M27 roadworks get underway

Lane closures will be in operation at night, but should be reopened in time for the morning commute.