 This shortened the journey from London to Taunton (and Penzance) by .At this time an ordinary double-track flat junction was provided, which meant that down trains running from Bristol to Taunton could be delayed by up trains from Taunton to Castle Cary crossing in front of them.In 1931 work was undertaken to convert it to a flying junction which would then allow the down Bristol trains to cross over the up Castle Cary route without conflict.