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1973
Highway and bridge maintenance: operations, costs, and modeling

Highway Research Record, Issue 451, 62p

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1973
Motorist communications and services

Highway Research Record, Issue 450, 46p

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1973
PUBLIC TRANSPORTATION RESEARCH NEEDS

Highway Research Board Special Report, Issue 137, 59 p.

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1973
NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM. SUMMARY OF PROGRESS THROUGH 1973

NCHRP Summary of Progress, 127 p.

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1973
VISUAL TESTS FOR DRIVER LICENSING-WITH DISCUSSION

Highway Research Board Special Report, Issue 134, pp 1-9

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1973
POLLUTION: SOURCES AND SOLUTIONS IN BITUMINOUS CONSTRUCTION

Highway Research Board Special Report, Issue 138, p. 142-149

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1973
SIMULATION MODELING OF HIGHWAY MAINTENANCE OPERATIONS APPLIED TO ROADSIDE MOWING

Highway Research Record, Issue 451, pp 23-35

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1973
TRANSPORTATION RESEARCH AREAS

Highway Research Board Special Report, Issue 137, pp 23-26

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1973
SEMINAR ON RESEARCH NEEDS IN TRANSIT EQUIPMENT

Highway Research Board Special Report, Issue 137, pp 39-47

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1973
ROAD SALT USE AND THE ENVIRONMENT

Highway Research Record, Issue 425, pp 67-76

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1973
NEW TRAFFIC STRIPER DEVELOPED BY CALIFORNIA HIGHWAY ENGINEER

Highway Research News, Issue 50, p. 14-6

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1973
PCA ROAD METER MEASURING ROAD ROUGHNESS AT 50 MPH

Highway Research Board Special Report, Issue 133, pp 51-65

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1973
A CANADIAN EVALUATION STUDY OF ROAD METERS

Highway Research Board Special Report, Issue 133, pp 41-48

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1973
ROAD METER CORRELATIONS: IOWA STATE HIGHWAY COMMISSION

Highway Research Board Special Report, Issue 133, pp 66-67

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1973
WORKSHOP SUMMARY

Highway Research Board Special Report, Issue 133, p. 3

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1973
CORRELATIONS OF WISCONSIN ROAD METERS

Highway Research Board Special Report, Issue 133, pp 73-74

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1973
EVALUATION OF THE PCA ROAD METER

Highway Research Board Special Report, Issue 133, p. 23-40

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1973
METHOD FOR MEASURING SERVICEABILITY INDEX WITH THE MAYS ROAD METER

Highway Research Board Special Report, Issue 133, pp 68-72

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1973
PHOTOGRAPHIC INVENTORY

Highway Research Board Special Report, Issue 133, pp 105-106

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1973
DEVELOPMENT OF THE ROAD METER: 1965 TO 1972

Highway Research Board Special Report, Issue 133, p. 17-19

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1971-03
JUNKYARD LAW HELD TO BE CONSTITUTIONAL AS A VALID EXERCISE OF THE POLICE POWER

Highway Research Circular, Issue 123, 4p

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1971
Design of culverts, energy dissipators and filter systems

Highway Research Record, Issue 373, 112p

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1971
REORGANIZATION TO CREW SPECIALIZATION IN PENNSYLVANIA

Highway Research Record, Issue 347, pp 209-216

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1971
A PLANNED TRAINING PROGRAM FOR MAINTENANCE AND EQUIPMENT PERSONNEL

Highway Research Record, Issue 347, pp 217-227

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1971
REPORT ON A FIVE-YEAR-OLD REPORTING SYSTEM

Highway Research Record, Issue 347, pp 74-79

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of 21 pages    

Showing 401 - 425 of 504 records