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BERKSHIRE Breaking M25 M4 Reading Traffic

M4 closed Westbound for smart motorway improvements

The M4 will be closed Westbound only between  junctions 4b (M25) and 5 (Langley) from the evening of Friday 11 to the morning of Monday 14 September 2020. This is for carriageway work around the new Old Slade Lane bridge.
The closures is needed for improving the M4 between junction 3 at Hayes and junction 12 at Theale by upgrading it to a smart motorway. This means there will be an additional lane for traffic which will increase capacity and reduce congestion, more technology on the road to smooth traffic flows and manage incidents and more reliable journey times.

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