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North Downs Line signalling upgrade: Buses replace trains between North Camp / Guildford and Gatwick Airport from Sunday 14 to Saturday 27 September 

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Engineering work details

Starts Sunday 14 September 2025 to Saturday 27 September 2025

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Train operators affected

Route(s) affected

Between Reading and Gatwick Airport

Description

Engineering work is taking place between Wanborough and Reigate via Guildford on Sunday and between Guildford and Reigate from Monday to Friday, closing all lines. Background information can be found below.

Sunday 14 September:

A half hourly train service will operate between Reading and Ash.

Buses will operate between North Camp and Gatwick Airport.

Monday 15 to Saturday 27 September:

A half hourly train service will operate between Reading and Guildford.

Buses will operate between Guildford and Gatwick Airport.

Please note:

  • Buses will call at Dorking (Main) instead of Dorking (Deepdene). These stations are just a short distance apart

  • After 22:00 each night, buses will not call at Chilworth because of a level crossing closure. You should use other stations instead

Background information:

Network Rail are renewing level crossings and signalling between Shalford and Gomshall for a safer, more reliable railway.

From Sunday 14 to Saturday 27 September 2025 Network Rail will be completing the final stage of their re-signalling on the line. In addition, at Burrows and Brook level crossings, new barriers will be installed that cover the full width of the road as opposed to just half.

Once all of the physical components are in, testing will be conducted to make sure the new signalling system and level crossings work as intended, ready for the re-opening of the line.

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 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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