May 2021 - Project under planning stage; September 2018 - Plans unveiled showing preferred route for A9 between Dalraddy and Slochd; November 2017 - Raeburn Drilling & Geotechnical Ltd awarded GBP2.7mn (USD3.5mn) contract to undertake ground investigations; Project is part of GBP3bn (USD5bn) programme to dual A9 between Perth and Inverness; Project length - 15 miles