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Cardiff -Portsmouth Engineering work 2026
 
Cardiff -Portsmouth Engineering work 2026
Posted by John D at 19:46, 13th January 2026
 
Seems the Cardiff-Portsmouth service is having multiple interruptions due to engineering work this year.

Sun 1 Feb
suspended Salisbury - Southampton

Sat 7 - Sun 8 Feb
suspended Warminster - Salisbury

Sun 15 Feb, Sat 21 - Sun 22 Feb
Diverted via Eastleigh, not serving Southampton

Mon 16 - Fri 20 March & Sun 29 March
Only 2 or 4 tracks Newport-Cardiff, some timings changed, some trains not beyond Bristol

Sat 21 - Sun 22 March
suspended Bristol - Cardiff

Sat 2 - Mon 4 May
suspended Bath Spa - Westbury

Sat 23 May - Mon 8 June
suspended Bristol - Cardiff (provisional)


 
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