A fault with the signalling system at Blair Atholl means trains may be delayed by up to 60 minutes or revised.
Disruption is expected until 14:00.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner
âââââââCompensation:
You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.