December 2021 - Project at planning stage; October 2021 - National highways wants public opinion on the new designs for the A358 upgrade; August 2021 - Planned changes to local roads linking to the A358 have been described as impractical and unnecessary by local residents; September 2021 - Ground investigation survey underway; April 2021 - Highways England has awarded a GBP328mn (USD449.74mn) contract to Taylor Woodrow Plus for the modernisation of the project; June 2019 - Preferred route announced; Project includes dual carriageway link between M5 at Taunton and Southfields roundabout on the A303; Project will cost between GBP250mn (USD350mn) and GBP500mn