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Mar. 22 Research For Safer Road Surface: Testing A Binder At Extreme Low Temperatures In The Road Research Laboratory. Wearing warm clothes and gloves, a research, a research worker at the Road Research Laboratory test the hardness of a road surfacing or binder'. By advising contractors and County council authorities on the best binders and their replication, thousands of pounds can be saved on road repairs. How science aids the road maker: Laboratory work helps decide what surface a road will have, and a variety of safety measures for vehicle and traffic control systems. A variety if strange machines, instruments and devices are in constant use by research workers at the laboratory of the Road research unit of the department of scientific and industrial research, at Harmondsworth. Started in 1933 as a small experimental station on the Colnbrook By-Pass by the Ministry of Transport, today its scope is much broader and concerns road materials, methods of making road,s layout, traffic and safety. Physicists, chemists, mathematicians combine with the practical engineers to discover ways of improving the laying, the maintaining and economic upkeep of the country's roads. Work is firstly done in the labs, using a variety of machines. Findings are then tested in practice on the lab's own test roads, and finally a full-scale trila is aranged with, Local authority. Cost of making a road job an experiment is small compared with the possible savings effected Traffic contril and flow by fly-overs, lights etc are studied on models and by practical tests and statstitics and other data made available to all interested

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