Engineering work is taking place in the early hours in the Norwich area, closing some lines.
The 06:57 Norwich to London Liverpool Street train service will start forward from Ipswich at 07:37.
Anyone who would normally travel on the 07:25 Norwich to Lowestoft or 07:36 Norwich to Great Yarmouth services, should speak to station staff at Norwich station to arrange alternative travel.
Check before you travel:
You can plan your journey using the National Rail Enquiries Journey Planner
Replacement Bus Travel Advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility information, please use our travel information pages.
You can find the location of your replacement bus by checking station signs or by searching for your station on our station information pages.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.