Heritage Minister Maggie Barry will be at Tangiwai on May 7 for the unveiling of two plaques recording the bravery of the train driver and the fireman in the 1953 Christmas Eve rail disaster.
She is due to officiate at the ceremony at the site of the rail disaster on the banks of the Whangaehu River.
The roles of the two crew in trying to stop the train before it pitched into the river has not been officially acknowledged before.
As well as the minister and family members of the men who lost their lives in the disaster, steam trains will be at Tangiwai for the commemoration.
KiwiRail, Mainline Steam and the Rail Enthusiasts Society are running a return steam engine service from Auckland to Tangiwai, leaving on Saturday, and another from Palmerston North leaving on the Sunday for those interested in attending the event.