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Ring Robin Day to put your nuestion in person to
Professor Colin Buchanan planning expert: Professor of Transport at Imperial College, London; author of Traffic in Towns, and member of the Roskill Commission on siting London's third airport who dissented from the majority and recommended the Foulness site, now accepted by the Government.
To promote a maximum flow of questions, [number removed](12 lines) will take them from 6.30 pm onward, as well as while the programme is on the air.
Produced by WALTER WALLICH