Leading British rail analyst Christian Wolmar has warned there may be difficulties ahead in establishing the HS2 network.
Tweeting his response to this morning's announcement, he said:
No surprises in northern #hs2 routes - emphasis on connectivity with rest of network but going into Leeds and M'er city centres will be hard
Mr Wolmar added that the estimated £33 billion cost of the network can "only be a guess" until more details emerge of the proposed work on the new routes.
He also bemoaned the way this morning's announcement was made, tweeting:
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