The General Secretary of the RMT Union is expected to call for the creation of a "new party of labour" at today's Durham Miners' Gala.
Speaking in advance of the Gala, RMT General Secretary Bob Crow said: "There is a whole world of opportunity outside the constraints of the Labour Party and RMT would urge them to embrace it and join us in this new political project."
More top news
Why we should look out for UVA protection ratings - even in Spring
The current UK manufacturer has said it is disappointing this "icon of British identity" is set to be awarded to a Franco-Dutch firm.
The road was closed in both directions after the crash, which involved an HGV and transit van.