Race against time to stop 100,000 tonnes of debris falling on the A83 at the Rest and be Thankful Source: Bear Scotland ROAD experts are in a race against time to find solutions after it was claimed that 100,000 tonnes of debris is waiting to fall on one of Scotland's key road. The Scottish Government's transport agency's route manager Neil MacFarlane gave the warning about the latest movement as he told community leaders in the area that 2020 saw 20,000 tonnes fall onto the infamous A83 at the Rest and be Thankful – double what has fallen in nearly two decades. Now it has emerged Transport Scotland is looking at 12 options to prevent further calamity from falling debris.