 The phases are due to open in 2019 and 2021 respectively.The West of England Local Enterprise Partnership also produced a Key Principles Report in November 2015 discussing future potential transport projects for the West of England region, including new rail transit based options referred to as "MetroWest++".The options outlined include reopening the Thornbury Branch Line, a Yate to Bath route, the use of tram train technology, a link to the city centre and a connection to Bristol Airport.