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1994
QUALITY ASSURANCE PROCEDURES RELATED TO ADMINISTRATION OF UNSURFACED ROADS

Transportation Research Record, Issue 1434, p. 85-91

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1993
LOW-VOLUME RURAL ROADS AND THE ENVIRONMENT: SOME IDEAS AND EXPERIENCES FROM HUNGARY

Transportation Research Record, Issue 1426, p. 15-18

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1991-11
LIABILITY OF STATE AND LOCAL GOVERNMENTS FOR SNOW AND ICE CONTROL: SUPPLEMENTARY MATERIAL

Selected Studies in Highway Law, Volume 4, 17 p.

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1991
USE OF FIELD DATA IN CALCULATING COST OF EARTH ROAD MAINTENANCE

Transportation Research Record, Issue 1304, p. 32-37

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1991
ECONOMIC VIABILITY OF UPGRADING LOW-VOLUME ROADS

Transportation Research Record, Issue 1291, p. 34-40

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1991
RECENT POLICY AND LEGISLATIVE ACTIONS TO PAVE ALL UNPAVED SECONDARY ROADS IN NORTH CAROLINA

Transportation Research Record, Issue 1291, p. 69-73

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1991
SECONDARY AND FEEDER ROAD DEVELOPMENT PROGRAM

Transportation Research Record, Issue 1291, p. 98-104

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1991
REHABILITATION AND UPGRADING DESIGN OF EARTH AND GRAVEL ROADS IN TROPICAL DEVELOPING COUNTRIES

Transportation Research Record, Issue 1291, p. 215-223

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1991
MAINTENANCE OF UNPAVED ROADS IN WET CLIMATES

Transportation Research Record, Issue 1291, p. 265-277

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1991
EXISTING METHODS FOR THE STRUCTURAL DESIGN OF AGGREGATE ROAD SURFACES ON FOREST ROADS

Transportation Research Record, Issue 1291, p. 41-57

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1991
RESULTS OF UNSURFACED-ROAD RATING SURVEYS

Transportation Research Record, Issue 1291, p. 113-119

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1991
EVALUATION AND RATING OF GRAVEL ROADS

Transportation Research Record, Issue 1291, p. 120-125

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1991
COMPARISON OF THE IMPACT OF VARIOUS UNPAVED ROAD PERFORMANCE MODELS ON MANAGEMENT DECISIONS

Transportation Research Record, Issue 1291, p. 137-142

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1991
DETERIORATION AND MAINTENANCE OF UNPAVED ROADS: MODELS OF ROUGHNESS AND MATERIAL LOSS

Transportation Research Record, Issue 1291, p. 143-156

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1990
MAINTENANCE MANAGEMENT ON GRAVEL ROADS (ABRIDGMENT)

Transportation Research Record, Issue 1268, p. 170-172

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1989
DURABILITY OF A POLYPROPYLENE GEOTEXTILE IN AN UNPAVED ROAD STRUCTURE

Transportation Research Record, Issue 1248, p. 1-12

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1989
METHOD FOR DETERMINING OPTIMAL BLADING FREQUENCY OF UNPAVED ROADS

Transportation Research Record, Issue 1252, p. 21-32

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1988
IDENTIFICATION OF MAINTENANCE AND EQUIPMENT NEEDS OF RURAL ROAD AGENCIES

Transportation Research Record, Issue 1189, p. 1-13

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1987-08
A METHOD FOR RATING UNSURFACED ROADS

Transportation Research Record, Issue 1106, pp 34-43

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1987-08
EXPERIMENTAL USE OF WEATHERED BASALT GRAVELS ON ROADS IN ETHIOPIA

Transportation Research Record, Issue 1106, pp 103-115

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1987-08
REQUIREMENTS AND PROPERTIES OF WEARING COURSE MATERIALS FOR UNPAVED ROADS IN RELATION TO THEIR PERFORMANCE

Transportation Research Record, Issue 1106, pp 208-214

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1987-08
DETERMINATION OF PAVEMENT LAYER STRUCTURAL PROPERTIES FOR AGGREGATE-SURFACED ROADS

Transportation Research Record, Issue 1106, pp 215-221

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1987-08
THE USE OF THE CLEGG IMPACT TESTER IN MANAGING AND DESIGNING AGGREGATE-SURFACED ROADS

Transportation Research Record, Issue 1106, pp 232-236

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1987-08
THE MAINTENANCE AND DESIGN SYSTEM: A MANAGEMENT AID FOR UNPAVED ROAD NETWORKS

Transportation Research Record, Issue 1106, pp 251-259

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1987-08
AN ANALYSIS OF THE CONDITION OF GRAVEL AND STONE ROADS IN INDIANA

Transportation Research Record, Issue 1106, pp 55-66

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Showing 251 - 275 of 350 records