By traffic count on a great number of motorway junctions legitimacies of the traffic distribution on traffic lanes and access roads were found. Of the results conclusions are drawn for the enlargement and operation of level crossings.
Bonn, Bundesminister für Verkehr, 1969, 84 p., fig., graph., tab., ref.; Strassenbau und Strassenverkehrstechnik, 1969, Heft 88
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