Railway users should prepare for longer journeys from Largs to Glasgow Central over the next two weekends.
This is because there is engineering works on a section of the line.
It means that buses replace trains between Paisley Gilmour Street and Kilwinning on the route on both Saturday and Sunday (8th, 9th, 15th, 16th)
A ScotRail spokesman said: "Journey times will be increased and replacement buses may arrive/depart earlier or later than advertised train times.
"Please visit www.scotrail.co.uk or download their app to check your own journey."
Passengers are required to have a valid train ticket to travel on rail replacement buses.
Sunday 23 February will also see replacement buses come into place in the last day of scheduled engineering works.
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