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Keywords:
RESEARCH,
ROADS,
SAFETY,
TRAFFIC,
FLOW,
ACCIDENTS,
RATES,
APPARATUS,
CAPACITY,
SKIDDING,
PROPERTIES,
SURFACES,
REFLECTION,
LAYOUT,
COOPERATION,
SCIENTISTS,
ENGINEERS,
PROBLEMS,
JUNCTIONS,
DESIGN,
CARRIAGEWAYS,
WIDTH,
SPEED,
RESTRICTIONS,
ECONOMICS,
CONTROL,
LONDON,
UK,
USA
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© Thomas Telford and ICE
1949
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