Engineering work is taking place between Exeter St Davids and Taunton, closing some lines on Friday evening / Saturday morning.
As a result, the 21:15 Penzance to London Paddington service will depart Exeter St Davids around 15 minutes later than usual, and will divert to run via Honiton (not calling).
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner