[1] Plans for the station were developed by Network Rail and Devon County Council[2][3] as part of the 'Devon Metro' proposal.

[5] Construction work began at Marsh Barton in April 2021 with the station then expected to be open by the end of 2022.

[7] The station was opened by Mark Harper, the Secretary of State for Transport on Monday, 3 July 2023 and public services started the next day.

[8][9] Marsh Barton station is at milepost 196 miles (315 km) (measured from London Paddington station on the original route via Bristol)[10] and 2 miles 8 chains (3.4 km) from Exeter St Davids.

[11] It is situated off Clapperbrook Lane East, adjacent to an energy from waste (EfW) plant.