Disruption on some rail services in south Wales will now last over a week and continue until Monday morning as repair work on a railway bridge continues.
Many journeys were suspended or cancelled due to work on the bridge outside Cardiff Central station between Sunday and Tuesday.
Transport for Wales (TfW) and Network Rail, which owns and operates most of the rail infrastructure in the UK, said mainline services in and out of Cardiff had largely returned to normal by Tuesday evening.
But due to ongoing bridge work, there are no direct trains from Cardiff to Ebbw Vale this week, meaning passengers will need to change at Newport.
Bus replacements also remain on the Caerphilly line, but an hourly rail service resumed on the Coryton Line on Wednesday.
Additional train services will be added as phases of the work are completed this week, the companies added.
