24 JANUARY 1958, Page 7

I KNOW absolutely nothing about 'Monorail' and I may be

allowing myself to be taken in by the sight of those delightful, streamlined, elegant- looking prototypes ones sees from time to time on films; but surely, in common sense, they are the answer to the traffic problem at least as far as London Airport is concerned? What I mean is, why the delay, if the money is available? Who is holding back? Presumably there cannot be any safety problem involved, as their safety has already been proved in Germany. What on earth, then, has prevented them from being built and operated long ago?