This month digging begins on the Thames Tideway Tunnel. But is the mega-project even needed? And will it keep to plan? Lois Vallely speaks to Tideway chief executive Andy Mitchell to find out.
Analysis: Digging in for the tunnel
This month digging begins on the Thames Tideway Tunnel. But is the mega-project even needed? And will it keep to plan? Lois Vallely speaks to Tideway chief executive Andy Mitchell to find out.