The Costain Carillion JV has reached another major safety milestone on the M1 Junction 10-13 project.

The project, which has an inducted workforce of over 4,000 people, has again achieved one million man-hours injury free. It is the fourth time the project has reached this milestone since work began on the project in 2009 and to celebrate the team decided to donate £500 to Leagrave Primary School in Luton.

The school, which has 428 pupils aged between 3 and 11 years old, is adjacent to the southbound carriageway of the M1 near junction 11 where Costain Carillion is working on a managed motorways scheme on behalf of the Highways Agency.

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The new managed motorway scheme, which aims to relieve congestion by using technology to vary the speed limit, went live between Junctions 10 and 11 in July 2012.

By using the hard shoulder at peak times to create additional capacity as a running lane, otherwise known as "hard shoulder running", the scheme is able to increase road capacity without the need to acquire additional land.

Overhead electronic signals will display variable mandatory speed limits and overhead message signs will indicate when drivers can use the hard shoulder as an extra lane. Work is due to completed by spring 2013.

(CD/GK)