Portadown Station on the Belfast to Dundalk and Dublin main line is to receive a £3.6m refurbishment.
Works will include a new atrium at the Obin Street entrance and lift access and a new footbridge to connect to the island platform.
An external facelift will also take place and new public and staff facilities will be provided. Work is scheduled for completion in December 2013.
Portadown is the fifth busiest station on NIR with around 900,000 passengers annually.
