A First Great Western service from Plymouth to Exeter St Davids passes Marsh Barton on the outskirts of Exeter. These services are usually worked by two- or three-car diesel multiple units but on summer Saturdays are formed from part of the overnight sleeper service from London to Penzance. Today finds Direct Rail Services' 57303 in charge, it being on hire to First Great Western to supplement their own fleet of class 57s.