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Rail passengers are being asked to check their journey details as a new timetable comes into effect.

ScotRail said the changes would allow shorter journey times, more seats and more services on updated routes.

The company said the timetable would see more than 100 new services across Scotland.

It comes amid criticism after recent training for drivers and conductors led to delays and cancellations on some services.

Ahead of Monday morning's commute, passengers are being asked to to ensure their usual train does not arrive or leave at a different time.

ScotRail credits the changes to new high-speed and electric trains, including the new Hitachi class 385 trains, and infrastructure improvements such as the electrification of lines.

More timetable changes are expected in May and December 2019.

Alex Hynes, managing director of ScotRail Alliance, said: "The improvements we are making to our timetable from Sunday mean some trains may depart a few minutes earlier or later than they presently do. Commuters in particular should check before Monday morning comes around.

"This is just the first phase of the work we are doing to deliver for our customers over the next year."

So what's changing?

ScotRail said more than 100 extra services would be provided, including:

The timetable changes will mean more than 65,000 extra seats on passenger trains. Routes with more seats include: