A fault with barriers at a level crossing between Porthmadog and Pwllheli, means trains are unable to run between these stations.
Disruption is expected until approximately 18:30.
Check before you travel:
You can check your journey using the National Rail Enquiries real-time Journey Planner.
Compensation:
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.