Mr. Rostron Duckworthasked the Minister of Transport whether any statistics exist in his Department showing the extent to which drivers of heavy motor vehicles suffer from strain; and, if not, whether he will endeavour to compile them?
§ Mr. Hore-BelishaI regret that I know at present of no practicable means of obtaining trustworthy statistics of the incidence of so intangible a symptom as nervous strain.