Network Rail's Brighter Journeys campaign will be rolled out across railway stations from 9-31 May in partnership with Chasing the Stigma.
Network Rail is set to begin 15 days of engineering upgrades on the Dartmoor Line in preparation for the introduction of hourly services.
The Cambrian Line is planned to reopen by the first week of April, after three major storms in the space of a week forced its closure in February.
Following the green light from Transport Scotland for the £116.6m scheme, Network Rail has started construction of the Levenmouth Rail Link.
Over a nine-day line closure, Network Rail engineers worked through Storm Eunice and Storm Franklin to deliver a £15 million investment to improve Brighton Main Line.
A major rail upgrade in Manchester is now complete after Network Rail improved track and signalling equipment to boost reliability.