The mega-contract will see electrification work carried-out along the East Coast Main Line and Transpennine Route.
The job is due to get underway in June 2013 and be completed by March 2020.
Interested firms must get in touch by July 6 at Network Rail Infrastructure Limited Northern House, Rougier Street Infrastructure Projects, Scotland & North East Chris Pybus YO1 6HZ York UNITED KINGDOM +44 1904389840 [email protected]