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Disruption between Cosham and Southampton Central / Eastleigh expected until end of the day 

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Service alteration details

Incident reported: Friday 30 January 2026 at 17:56

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Last updated

Friday 30 January 2026 at 19:42

Train operators affected

Route(s) affected

Great Western Railway services between Portsmouth Harbour and Bristol Temple Meads / Cardiff Central

Southern services between Brighton and Southampton Central

South Western Railway services between London Waterloo / Woking / Portsmouth & Southsea and Southampton Central and Portsmouth Harbour and Eastleigh

Description

A failure of electricity supply between Cosham and Southampton Central / Eastleigh means that all lines are blocked. As a result, trains running between these stations may be delayed up to 50 minutes, cancelled or revised.

Disruption is expected until the end of the day.

Great Western Railway customer advice:

If you are at a station please check the live departure boards or speak to a member of station staff.

Southern customer advice:

Delays are expected due to a failure of the electricity supply failure between Cosham and Fareham. This will affect trains in both directions.

Please check before you travel using online journey planners and live departure boards for the latest information. Journeys may take longer than usual as a result and you may need to take an alternative route to complete your journey, so please allow extra time to account for this.

The following changes are expected to services running in both directions:

  • Services running from Southampton Central to Brighton will run between Havant and Brighton instead

  • Services running between Brighton and Southampton Central will terminate at either Bognor Regis or Havant. Please check station boards before boarding for confirmation of all stops

Ticket acceptance:

You can use your existing ticket on the below services at no additional cost:

  • Southern / Thameslink services on any reasonable route

  • London Underground on any reasonable route

  • Great Western Railway services on any reasonable route

  • South Western Railway services between Portsmouth Harbour, Havant and London. Please note South Western Railway are also being affected by this incident

If you are travelling between Havant and Southampton Central you can use your existing ticket on the below bus services due to ticket acceptance with South Western Railway:

  • Bluestar 3 between Southampton - Bitterne - Hedge End - Botley - Eastleigh

  • Bluestar 7 between Southampton - Woolston - Sholing

  • Bluestar 10 between Southampton - Woolston - Bitterne - Sholing

  • Bluestar 13 between Southampton - Woolston - Bitterne

  • Bluestar 14 between Southampton - Bitterne - Hedge End

  • Bluestar 15 between Southampton - Woolston - Sholing - Netley - Hamble

  • Bluestar 19 between Southampton - Woolston - Sholing

  • Bluestar 20 between Southampton - St Denys - Bitterne

  • Bluestar 24 between Eastleigh - Southampton Airport Parkway - Hedge End

Planning your journey:

You can see a live map of the network. This will show where your journey is likely to be affected.

You an also use the alternative route map to help you on your journey.

If you're travelling in the London area, you can plan journeys on alternative routes by using the TfL Journey Planner.

You can also use the Southern app to find up-to-date information.

Can you tell me more about the incident?

There's an issue with the power supply in the Fareham area and it is affecting some train services. Operators are working with Network Rail and electricity suppliers to fix it as soon as possible.

Delays and changes are expected. If you're on a delayed train, please listen for updates from the crew or reach out on social media for support.

South Western Railway customer advice:

Engineers are on site investigating.

As a result:

Trains from London Waterloo to Portsmouth stations via Basingstoke may be diverted via Guildford.

Trains between Southampton Central and Portsmouth may be cancelled or run between Southampton Central and Fareham only.

You can use your ticket, at no extra cost, on the following services:

Rail services:

  • Great Western Railway services between Portsmouth and Southampton in both directions (these trains may also be disrupted but are able to run)

Bus services:

  • First Bus 1 between Portsmouth Harbour - Portsmouth City Centre - Fratton

  • First Bus 2 between Cosham - Hilsea - Portsmouth

  • First Bus 3 between Fareham - Portchester - Cosham - Hilsea - Portsmouth

  • First Bus X4 between Portsmouth stations - Portchester - Fareham - Swanwick - Sholing - Woolston - Southampton

  • First Bus X5 between Southampton - Woolston - Sholing - Bursledon - Fareham - Portchester - Portsmouth

  • First Bus 7 and 8 between Portsmouth - Hilsea - Cosham

  • First Bus 28 and 28A between Fareham and Swanwick

  • Bluestar 3 between Southampton - Bitterne - Hedge End - Botley - Eastleigh

  • Bluestar 7 between Southampton - Woolston - Sholing

  • Bluestar 10 between Southampton - Woolston - Bitterne - Sholing

  • Bluestar 13 between Southampton - Woolston - Bitterne

  • Bluestar 14 between Southampton - Bitterne - Hedge End

  • Bluestar 15 between Southampton - Woolston - Sholing - Netley - Hamble

  • Bluestar 16 between Southampton and Bitterne

  • Bluestar 18 between Southampton and Bitterne

  • Bluestar 19 between Southampton - Woolston - Sholing

  • Bluestar 20 between Southampton - St Denys - Bitterne

  • Bluestar 24 between Eastleigh - Southampton Airport Parkway - Hedge End

Because your journey has been heavily disrupted, you can book your own taxi and claim the cost back through the South Western Railway website. This applies to travel between any stations served by South Western Railway between Portsmouth and Southampton Central or Eastleigh. You will need to provide the following details to make a claim:

  • Your full contact details

  • The time and date of your journey

  • The stations you travelled to and from

  • A detailed description of the series of events that took place

  • Copies of your train ticket/s and taxi receipt

If you need any help with your journey, please speak to a member of staff or use a station help point.

If you would prefer to use local buses to continue your journey please check Traveline. South Western Railway tickets are not valid on local buses unless stated above.

Check before you travel:

You can check your journey using the National Rail Enquiries real-time Journey Planner.

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.

Compensation:

You may be entitled to compensation if you experience a delay in completing your journey today. Please keep your train ticket and make a note of your journey, as both will be required to support any claim.