Engineering work is taking place in the London Euston area, closing some lines.
From 09:30 until the end of service, trains that run directly between London Euston and Tring only will not run.
You should use your ticket on alternative services running between London Euston and Tring. These services may be retimed.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner.