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Keywords:
ROAD RESEARCH LABORATORY,
ROADS,
TRAFFIC,
RESEARCH,
INVESTIGATIONS,
ENGINEERING,
SURVEYS,
DISTRIBUTION,
FLOW,
CAPACITY,
SIGNALS,
SPEED,
INTERSECTIONS,
ROUNDABOUTS,
THEORETICAL,
PROBLEMS,
SATURATION,
LONDON,
UK
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© Thomas Telford and ICE
1952
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