K S Rutley

A SECOND INVESTIGATION INTO BILINGUAL(WELSH/ENGLISH) TRAFFIC SIGNS

K S Rutley, 1972 .

The time taken to read a traffic sign and its effect on the size of lettering necessary

A W Christie, P Odescalchi, K S Rutley, 1962 .

ADVISORY SPEED SIGNS FOR BENDS

K S Rutley, K. Rutley, 1972 .

Some suggestions for an experiment on the possible use of signs indicating the severity of bends

K S Rutley, 1964 .

An assessment of the value of a proposed modification to the transport heavyweight script for traffic signs

K S Rutley, J E Ashwood, 1963 .