Legal Aid Mrs. Winifred Ewing asked the Secretary of State for Scotland what was the cost per legal aid case or certificate granted in Scotland in each of the last five years. Mr. William Ross The information requested is as follows:for approval of a pedestrian crossing; and when these were last modified. Mr. William Ross The main criteria relate to traffic flow, pedestrian need, traffic speed and the characteristics of the road and its environment. They were last modified in 1974, and are set out in detail in SDD Circular to local authorities, No. R330, of which I am sending the hon. Member a copy.