January 2022 - Construction underway; March 2021 - The main construction work has started, and the work expected to be complete by spring 2023; February 2021 - Costain Group is due to begin works for the project; June 2018 - Costain wins M6 Junction 21a-26 smart motorway contract in UK; Project includes installation of smart motorway between junctions 21a to 26 of the M6; Project length - 10 miles; Project to cost between - GBP100mn (USD130mn) and GBP250mn (USD325mn)