Women taken to hospital after head-on collision on A1 dual carriageway Two women have been taken to hospital after a head-on collision on a dual carriageway. The two cars collided with each other on the A1 at Thistly Cross in East Lothian at 11.40am on Friday. Both vehicles were Citroen Picassos, one of which was going north and the other going south. The woman driving the red Picasso and her passenger were both taken to Edinburgh Royal Infimary to be treated for serious injuries. The driver of the other lilac car only suffered minor injuries in the crash. Police Scotland have closed the road northbound between the Spott roundabout and Thistly Bank. Sergeant Roger Park said: "I'd like to thank those who stopped to assist and acted as witnesses at the time of this accident, but we would like to appeal for any other witnesses to come forward." Anyone who witnessed the crash is asked to contact police on 101.