§ 88. Mr. Sparksasked the Minister o:: Transport what experiments are being carried out with radiolocation devices as an aid to greater mobility in times of fog and darkness in relation to railway trans port operations.
§ Mr. BarnesThis matter has been under investigation for some time. Present known devices, however, are less suitable for this purpose than existing methods such as continuous track circuiting, automatic train control, and colour light signalling. Research is being continued.