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1939-01
REPORT OF SUBCOMMITTEE ON ZONING

Highway Research Board Roadside Development Committee Reports

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1939
OPERATING SPEEDS AND SPEED ZONING

Rural Traffic Problems

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1939
1939
SPECIAL HAZARD WARNING SIGNS

Rural Traffic Problems

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1937-06
THE STUDY OF URBAN ZONING AND ITS APPLICATION TO RURAL ZONING

Highway Research Board Roadside Development Committee Reports

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1928
THE RAILROAD GRADE-CROSSING HAZARD ON RURAL HIGHWAYS

Highway Research Board Proceedings, Volume 7

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HIGHWAY RESEARCH IN PROGRESS (HRIP)

Highway Research In Progress

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