As part of a wider £13.3m investment across Scotland's Railway, NR will install new high-definition customer information screens.
Work on the large departure board screens in Edinburgh Waverley and Glasgow Central is due to be completed in November.
Multiple new screens and improved public address systems have been installed across Scotland, with more underway until February 2024.
These new, low power, digital screens are clearer in all lighting conditions and will respond to changes in ambient lighting while using smart power management to support Scotland's Railway's net zero ambitions.
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By allowing the display to sleep during the night, the system saves energy and extends its working life.
Chris King, Station Manager at Edinburgh Waverley said: "It's great to see the new screens in place at Edinburgh Waverley.
"We regularly experience four seasons in one day here in Scotland, and so it's great news for our passengers that the information screens can adjust to the ever-changing light."
Phil Campbell, ScotRail Customer Operations Director, said: "Everyone across Scotland's Railway is committed to delivering the best possible service for our customers, and customer information is a huge part of that.
"The new information screens being installed at Edinburgh Waverley, Glasgow Central, and across the country make it even easier for customers to access live travel information.
"These high-tech screens support a sustainable railway and contribute to our journey towards net zero."
