Tascar The A1 between Leeming and Barton is an all-purpose two lane dual carriageway carrying in the region of 50,000 vehicles a day, with approximately one quarter being heavy goods vehicles. The route had historically had a poor accident record, with continuing safety congestion and journey time reliability problems. As subcontractor to Redspeed, Lochwynd were carrying out TASCAR works (Temporary Automatic Speed Cameras At Roadworks).