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Amended early morning Great Western Railway services in the Portsmouth Harbour area on Saturday 30 May 

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Engineering work details

Starts Saturday 30 May 2026 to Saturday 30 May 2026

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Train operators affected

Route(s) affected

Great Western Railway between Portsmouth Harbour and Cardiff Central, and between Portsmouth & Southsea and Bristol Temple Meads

Description

Engineering work is taking place between Portsmouth Harbour and Cosham, closing some lines very early on Saturday morning.

As a result:

  • The 05:40 Portsmouth & Southsea to Bristol Temple Meads service will start from Southampton Central at 06:29

  • The 06:08 Portsmouth Harbour to Cardiff Central (diverted to terminate at Bristol Parkway) service will start from Fareham at 06:32

For both trains, you can use earlier or later rail connections between Portsmouth Harbour / Portsmouth & Southsea and Fareham / Southampton Central at no extra cost.

Check before you travel:

You can plan your journey using the National Rail Enquiries Journey Planner

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