Hundreds of train journeys are believed to have been cancelled on Sunday as Scotrail continues to deal with a shortage of drivers and the threat of strike action.
More than 300 services were listed as 'cancelled' by the operator's official journey tracking website early on May 29.
Only some of the journeys are being replaced with bus services. Elsewhere, Scotrail has overhauled its refund policy to allow those unable to travel to receive a full refund.