Mail Online (2014) Road Safety Row as Hard Shoulder Shut Down Permanently for First Time on M25 “Smart” Motorway to Ease Gridlock (and Don’t Forget the Speed Cameras).
https://www.dailymail.co.uk/news/article-2602746/Road-safety-row-hard-shoulder-shut-permanently-time-M25-smart-motorway-ease-gridlock-dont-forget-speed-cameras.html

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