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FLYING START

News

Widening Britain's busiest motorway reached a critical stage this week with overnight closures of the M25 to lift in eight 13t deck beams to create a flyover linking the motorway with Heathrow Airport's new Terminal 5.

The bridge will be 100m long, with a 34m central span over the M25's existing six lanes. Traffic is kept flowing during the overnight closures by using the two slip roads, which will carry two lanes of traffic each on completion of the scheme. Subcontractor Cleveland Bridge is using two cranes to lift in the 28.5m long, 1800mm deep I beams. Three were lifted in successfully on Monday night - one more than planned.

The rest were due to go in on Tuesday and Wednesday nights. Main design and build contractor is Balfour Beatty.

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