To ask the Scottish Government how many signs are located along the (a) A82, (b) A828, (c) A83, (d) A835, (e) A85, (f) A86, (g) A87, (h) A887, (i) A889, (j) A9, (k) A95, (l) A96 and (m) A99, and what proportion does not meet current standards for visibility and effectiveness, broken down by Category (i) 1 and (ii) 2 defects.