April 2021 - Project was suspended last year until 2025; January 2020 - Construction work has been put on hold until a government review is completed; August 2018 - WSP appointed to provide engineering and design services on the motorway scheme; Project aims to widen A1 (M) between Junctions 6 and 8, which run through Welwyn, Knebworth and Stevenage; Project length - 7 miles; Project cost - GBP170mn