Pulvinder Dhillon, 68, from London, died after the crash on the M4 in Berkshire in March 2022.

National Highways found only three out of 16 schemes are on track to deliver the financial benefits expected.

Barry O'Sullivan denied causing the death by careless driving of 68-year-old Pulvinder Dhillon.

Smart motorways are meant to be a cost-effective way of increasing road capacity, but how do you use them and how safe are they?

Only three of the 16 smart motorway projects undertaken by National Highways are on track to deliver good value for money ...

Several smart motorway schemes are not delivering value for money and, in some cases, making congestion worse, National ...

The rollout of smart motorways should be suspended due to safety concerns, according to MPs. A report by the Commons’ Transport Select Committee (TSC) said there is not enough safety and economic data ...

A man denies causing death by careless driving after a crash that killed 68-year-old Pulvinder Dhillon.

Controversial 'smart' motorways are barely providing any economic benefit, damning new analysis has found.

Add Yahoo as a preferred source to see more of our stories on Google. [In Pictures / Getty Images] Many smart motorways, are currently failing to offer the value for money expected when they were ...