Conwy Estuary (Crossing) Mr. Best asked the Secretary of State for Wales what is his estimate of the cost at 1980 prices and at 1986 prices of the following schemes for crossing the Conwy estuary, including associated works (a) stayed girder bridge with one pylon, (b) stayed girder bridge with two pylons, (c) cantilevered arch bridge, (d) submersible tunnel (CPRW route), and (e) bridge across the Deganwy Narrows; and if he will give against each scheme the estimate of the projected costs of maintenance. Mr. Nicholas Edwards Relevant information, including cost estimates, relating to possible crossings of the Conwy is under consideration and will be made available in due course.