Motorways Mr. Reid asked the Secretary of State for Scotland what motorway construction in Scotland has been authorised to commence in 1975–76. Mr. William Ross I expect a start on the new M85 bridge over the River Tay at Friarton. I also hope to authorise other motorway schemes in this period. Mr. Reid asked the Secretary of State for Scotland how many miles of Scottish motorway he expects to be opened in 1975. Mr. William Ross 5·2 miles.