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The M25 motorway near Heathrow, showing a MIDAS installed gantry. In 1995, a contract was awarded to widen the section between junctions 8 and 10 from six to eight lanes at a cost of £93.4 million, [62] and a Motorway Incident Detection and Automatic Signalling (MIDAS) system was introduced from junction 10 to junction 15 in 1995, at a cost of ...
Runnymede Bridge is a motorway, A-road, pedestrian, and cycle bridge, built in the 1960s and 1980s and expanded in the 2000s, carrying the M25 and A30 across the River Thames near the uppermost end of the Staines upon Thames and Egham reach of the river. It is oriented north–south and is southwest of Heathrow Airport.
Cross sections incorporating a minimum of two through-traffic lanes for each direction of travel, with a typical width of 3.50 to 3.75 m (11 ft 6 in to 12 ft 4 in) each, separated by a central median. An obstacle-free zone varying from 4.5 to 10 m (15 to 33 ft), or alternatively installation of appropriate vehicle restraint systems.
The M25’s weekend closure on Britain’s busiest motorway has been in place since Friday from 9pm while concrete beams for a new bridge are installed. It will reopen at 6am on Monday.
The final link in the M25 motorway around London – between London Colney and South Mimms – was opened to traffic by then-prime minister Margaret Thatcher at 9.30am on 29 October 1986.
The Man Who Pays His Way: ‘A beautiful serenity’ deserves to be appreciated
The junction is junction 2 of the M3, and junction 12 of the M25. The M25 north of the junction is 5 lanes, and south of the junction it is 4 lanes wide. The next junction north along the M25 is the Addlestone Interchange, and south along the M25 is the Runnymede Interchange. The design is a turbine interchange. The B389 (west) and B388 (east ...
The 2.1-mile Colne Valley Viaduct will carry high-speed trains between the M25 motorway and the Buckinghamshire village of Denham. HS2 completes construction of UK’s longest railway bridge Skip ...