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Keywords:
ROADS,
TRAFFIC,
PITCH,
BITUMEN,
ASPHALT,
TAR,
STANDARDISATION,
SURFACES,
MACADAM,
MUD,
DUST,
TRIALS,
TYRES,
MAINTENANCE,
COSTS,
SPECIFICATIONS,
COATINGS,
CONSTRUCTION,
IMPROVEMENT,
UK
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© Thomas Telford and ICE
1911
