Christian Seymour, head of infrastructure, Europe, at IFM called the deal "a landmark acquisition" for the investment company calling it the "culmination of 18 months' work developing a strong, long term partnership with MAG".

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As usual with these inquiries, they're starting with experts - including Dr Adam Marshall of the British Chambers of Commerce, Jessica Bauly, Head of Infrastructure at the CBI, Dr Hugh Ellis, Chief Planner, Town and Country Planning Association, and Alex Morton, Senior Research Fellow, Policy Exchange.

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Ainslie McLaughlin, head of major transport infrastructure projects at Transport Scotland, said it was a much-needed replacement.

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