Buses replace late night / end of service trains from Monday 8 to Friday 12 June
Engineering work details
Starts Monday 08 June 2026 to Friday 12 June 2026
Train operators affected
Route(s) affected
Southern between London Victoria and Horsham / Three Bridges
Thameslink between Bedford and Brighton and between Peterborough and Horsham
Description
Engineering work is taking place overnight in the Coulsdon South area, closing some lines.
Southern:
Southern have yet to confirm how they are affected by these works.
Thameslink:
From approximately 23:59 on Monday to Thursday evenings until approximately 05:00 on Tuesday to Friday mornings, trains will be diverted and will not call at Coulsdon South, Merstham or Redhill.
Replacement buses will run between East Croydon and Gatwick Airport and between Purley and Horley to provide connections.
Check before you travel:
If you are travelling with Thameslink, you can plan your journey using the National Rail Enquiries Journey Planner
If you are travelling with Southern, these changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.
Replacement bus travel advice:
For helpful advice if you need to travel on a rail replacement service, including accessibility and bicycle information, please use our Rail Replacement Services page.
You can find the pick-up and set-down location of rail replacement services by checking station signage or by searching for your station on our Find a Station page.
Please be advised that replacement vehicles may be busier than usual, and you should allow extra time for your journey.
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