Whilst driving behind the vehicle they observed it swerving all over the road, swerving onto the opposing carriageway and on occasion colliding with the verge in the nearside.
When we got there, my attention was initially drawn to the fact that the air ambulance had landed on the opposing carriageway, so traffic in both directions had stopped.
Traffic barriers are installed within medians of divided highways to prevent errant vehicles from entering the opposing carriageway of traffic and help to reduce head-on collisions.
