Future engineering work

PAGE LAST UPDATED: 18/01/2019 11:59. Update now

See details of routes affected by planned engineering works, including when they take effect, maps of the affected area, alternative timetables, advice for alternative travel and real-time updates.

Amended midweek overnight / early morning Thameslink service from Monday 5 to Friday 9 November

Start date
05/11/2018  00:00
End date
Route affected

Various Thameslink routes

Various Great Northern routes

TOC(s) affected
Great NorthernThameslink

Engineering work is taking place overnight at various locations on the Thameslink / Great Northern network, closing some lines.

Sunday to Tuesday

Due to overnight works between Hitchin and St Neots, trains will be unable to call at Arlesey and Sandy. A replacement bus service will operate between Hitchin and St Neots.

Monday to Thursday

The 22:45 and 23:45 Bedford to Brighton services will terminate at Three Bridges, a replacement bus service will run between Three Bridges and Brighton

Tuesday to Friday

Late night / early morning services between Purley and Horley will not call at Coulsdon South, Merstham and Redhill. A replacement bus service will run between Purley and Horley (via Redhill)

Check before you travel:

These changes are not currently shown in the National Rail Enquiries Journey Planner, please check back nearer to the time of travel.

You can find the location of your bus replacement by checking station signs or by searching for your station on our station information pages


Non folding bicycles are not allowed on rail replacement bus services at any time. Folding bicycles are allowed if fully folded. For more information, please see here.

Project Information:

You can read more about engineering work and why it is necessary.