M4 Smart Motorway Works BerkshireAdd to Lightbox Download
Works by Highways England to convert the M4 into a 'smart motorway' are pictured close to Junction 7 on 22nd April 2021 in Dorney, United Kingdom. The government has announced that all future 'all lane running' motorways, including any such as the M4 currently being constructed, will require radar technology to detect stopped cars.
- Copyright 2021 Mark Kerrison
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