Firms from the Midlands have been finding out about projects they could get involved in, linked to the planned HS2 scheme connecting London to the region.
£10billion pounds worth of contracts are on offer during the first phase, which connects the capital to Birmingham.
The second phase to Leeds and Sheffield is planned to go through the East Midlands, with the creation of a new station in Toton in Nottinghamshire.
The commercial director of HS2 Ltd, Beth West, told ITV News Central that today's conference was about letting firms know about the potential contracts on offer.
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Despite receiving treatment at the scene, the man was pronounced dead shortly after.
Cloud will largely clear this evening, although with variable cover and few light showers over the Derbyshire hills.
The rain will clear during the evening so the rest of the night will be dry and mild with long clear periods.