Major rail disruption across south Wales is set to continue into a third day as repair work continues.
Many journeys are being suspended or cancelled due to work on a bridge outside Cardiff Central station.
National Rail initially said the work, which began on Sunday, would continue until 21 April, but said it was now expected until the end of 22 April.
The work has affected a number of routes run by Great Western Railway, Transport for Wales and CrossCountry.
Rail replacement transport is being organised between Newport and Cardiff Central, and Cardiff Central and Caerphilly.
Passengers are being urged to check their service before travelling.
"Urgent repairs are needed to a bridge in the Cardiff Central area. Whilst repairs are being carried out, some lines are closed," said National Rail on Monday.
"As a result of this, a reduced service is running to/from Cardiff Central today and trains may be revised, cancelled.
"Major disruption is expected until the end of the day on Tuesday 22 April."
