By Connor Boyd For Mailonline
Published: 02:02 BST, 1 September 2019 | Updated: 02:02 BST, 1 September 2019
Plans to roll out smart motorways across the country were dealt a fresh blow last night after a widow announced she plans to sue Highways England for corporate manslaughter.
A spate of deaths in the last year have raised concerns about the safety of the road - which use technologies and strategies to reduce congestion and increase capacity.
These methods include using the hard shoulder as a running lane and using to control the flow of traffic.
In June, Jason Mercer, 44, was killed when a lorry ploughed into him after he pulled over to exchange contact