Is it not a fact that the Committee recommended that the ideal height for the statuory traffic sign is at the normal eye level, and is the hon. Member aware from actual experience of driving on the roads that the new 30-miles speed limit signs are placed at such a height that unless the motorist has his headlights on at full they cannot be seen, because there is no reflection, and will he see that the instruction he has already given apparently to the highway authorities to follow the instructions of the Departmental Committee are enforced by him?