“High-risk” motorway junctions are set to be reviewed after three people were killed when a car towing a caravan drove the wrong way on the M40.

Two pensioners from High Wycombe – John Norton, 80, and 87-year-old Olive Howard – and Stuart Richards, 32, from Cheshire, were all killed in the horror head-on crash, which happened between junction 7 and 6 on October 15.

Mr Norton and Ms Howard were driving the Subaru Forester which was towing the caravan on the northbound carriageway of the M40.

Mr Richards was driving a Ford Mondeo.

Highways England has said it is now reviewing “high-risk” junctions in a bid to stop another, similar tragedy.

A spokesman said: “Safety is our first priority and we monitor our network for locations with a high risk of wrong way driving.

“Where a junction is identified we look to introduce additional measures such installing ‘no entry’ signs or streetlights, or improving road markings to help drivers.

“We’re actively reviewing in light of the recent M40 incident. We are also undertaking wider international research examining the effectiveness of mitigation measures used across Europe and in the United States.”

Shocking dashcam footage showed cars swerving out of the way of the Subaru, which is believed to have travelled in the wrong direction for around eight miles.

It came just five days after a report of a damage-only crash involving the Subaru in High Wycombe was made to Thames Valley Police.

The force made a mandatory referral to the Independent Office for Police Conduct in relation to the fatal collision, due to the previous contact.