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Northern city line

Closures between Finsbury Park and Moorgate.

Moorgate Line Closures

From Saturday 14 December 2019 until summer 2020, work to improve the reliability of the railway between Finsbury Park and Moorgate – also known as the Northern City Line, will be taking place late on weeknights and on weekends.

This work will impact train services between Moorgate and Welwyn Garden City and Stevenage via Hertford North.

We have already transformed the routes with the introduction of the new Class 717 trains, and now Network Rail will be carrying out intensive maintenance and cleaning of the tunnels; as well as preparatory work ahead of installing a new signalling system which will allow us to run more trains in the future.

To allow this work to take place, from Saturday 14 December until summer 2020 the line from Finsbury Park to Moorgate will be closed on most weekday evenings from 21.40 and on most weekends.

On these evenings and weekends, all services to/from Moorgate will be diverted into King’s Cross. In addition, on weeknights, we will need to reduce the frequency of these late evening trains using King’s Cross by temporarily removing four planned departures from London.

Please check your journey at: www.nationalrail.co.uk

When is the work happening

The works will be complete in Summer 2020, planned alterations during the Winter 2019 timetable, effective until the 17 May 2020 are shown below:

Impact on services

Weeknights

Weeknight services after 21.40 to/from Moorgate will be diverted into King’s Cross.

On weeknights, after 21.40 when services are operating to/from King’s Cross, we will need to reduce the frequency of late evening Great Northern Metro trains across the evening by temporarily removing four planned departures from London. Please note this will also impact late night journeys towards London.

This is because King’s Cross can only accommodate a maximum of six trains per hour in each direction across both routes.

The table below shows late night weekday departures from King’s Cross after 22:00 to Great Northern Metro stations. Other, longer distance Thameslink and Great Northern services calling at stations such as Finsbury Park, Potters Bar, Hatfield, Welwyn Garden City and Stevenage will continue to operate as normal and are not shown in this table.

Please check your journey at: www.nationalrail.co.uk

Departures from King’s Cross, Great Northern Metro services:

Time From To
22:01 London King's Cross Welwyn Garden City
22:12 London King's Cross Hertford North
22:21 London King's Cross Watton-at-Stone
22:31 London King's Cross Welwyn Garden City
22:42 London King's Cross Hertford North
22:51 London King's Cross Watton-at-Stone
23:01 London King's Cross Welwyn Garden City
23:12 London King's Cross Hertford North
23:21 London King's Cross Stevenage
23:31 London King's Cross Welwyn Garden City
23:42 London King's Cross Hertford North
23:51 London King's Cross Stevenage
00:01 London King's Cross Welwyn Garden City
00:16 London King's Cross Hertford North
00:36 London King's Cross Welwyn Garden City
00:40 London King's Cross Stevenage

Other, longer distance Thameslink and Great Northern services calling at stations such as Finsbury Park, Potters Bar, Hatfield, Welwyn Garden City and Stevenage will continue to operate as normal and are not shown above.

Weekends

Weekend services will be start/terminate at London King’s Cross on dates shown in the calendar above.

On the weekends of the 25th/26th January and 29th February/1st March there will be no Great Northern services between Welwyn Garden City, Stevenage, Hertford North and London as engineering work is taking place in support of the East Coast Upgrade. Passengers are advised not to travel on these weekends. More information is available on our East Coast Upgrade page.

Alternative options and ticket acceptance

During these works, your Great Northern ticket will be accepted on the following routes:

  • Northern line between Moorgate and London King's Cross
  • Victoria line between London King's Cross and Finsbury Park via Highbury & Islington
  • TFL buses between Moorgate and Finsbury Park via Old Street, Essex Road, Highbury & Islington & Drayton Park