The Secretary of State for Transport, Patrick McLoughlin will open First Great Western's new train care depot later.
The £150 million pound facility will maintain all the company's trains across the Thames Valley.
More top news
Robert Weighton and Alfred Smith only became pen pals two years ago - and today Britain's oldest men both celebrated their 109th birthdays.
Simon's Blog - First Thing In The Morning....
Wednesday night's weather for the west of the region