A83 Rest and Be Thankful - Managing Trunk Road Operation
The A83 through Glen Croe in Argyll, known historically as The ‘Rest and be Thankful’ has a history of landslides which have impacted the operation of the A83 trunk road. The A83 is a lifeline route linking the people and businesses of Argyll with the central belt of Scotland. The geology of the area, the location of the road and the weather conditions experienced leads to a higher-than-normal number of landslides which can range from a few tonnes to over 10,000 Tonnes in a single event.
For over ten years, since the events became more regular and larger in scale, Transport Scotland have invested in the construction of significant landslide mitigation measures including robust debris fences and debris pits. These measures now cover all the main water channels on the hillside.
Following the largest recorded landslides; 6,000 and 10,000 Tonnes – both in 2020, further mitigation work and in depth monitoring has been undertaken and a management strategy implemented to ensure the safe operation of the A83.