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26. 1990-01

INSTANTANEOUS DETERMINATION OF WATER-CEMENT RATIO IN FRESH CONCRETE. FINAL REPORT

259 p.

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27. 1989

VISIBILITY CRITERIA AND APPLICATION TECHNIQUES FOR ROADWAY LIGHTING

Transportation Research Record, Issue 1247, p. 12-16

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28. 1989

MINIMUM PHOTOMETRIC PROPERTIES OF RETROREFLECTIVE SIGNING MATERIALS

Transportation Research Record, Issue 1247, p. 56-68

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29. 1989

NEW CIE AND ANSI/IES RECOMMENDATIONS FOR VEHICULAR TUNNEL LIGHTING

Transportation Research Record, Issue 1247, p. 97-101

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30. 1987

EVALUATION OF HEADLAMP SYSTEMS FOR NIGHTTIME SAFETY: THEIR RELATIONSHIP TO RETROREFLECTIVE TRAFFIC SIGN PERFORMANCE

Transportation Research Record, Issue 1149, pp 11-14

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31. 1987

MOISTURE RETENTION TESTS AND AGITATION FOR MEMBRANE-FORMING CURING COMPOUNDS FOR PORTLAND CEMENT CONCRETE

Transportation Research Record, Issue 1110, pp 46-59

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32. 1987

EVALUATION OF ALTERNATIVE SIGN-LIGHTING SYSTEMS TO REDUCE OPERATING AND MAINTENANCE COSTS (DISCUSSION AND CLOSURE)

Transportation Research Record, Issue 1111, pp 79-93

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33. 1986-06

SNOWPLOWABLE RAISED PAVEMENT MARKERS

Transportation Research Circular, Issue 306, p. 2-3

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34. 1985

THE APPLICABILITY OF A MOTORCYCLE HEADLAMP MODULATOR AS A DEVICE FOR ENHANCING DAYTIME CONSPICUITY

Transportation Research Record, Issue 1047, pp 88-92

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35. 1977

COMPUTER PROGRAM FOR ROADWAY LIGHTING

Transportation Research Record, Issue 628, pp 25-32

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36. 1977

EFFECT OF IMPROVED ILLUMINATION ON TRAFFIC OPERATIONS: I-76 UNDERPASS IN PHILADELPHIA

Transportation Research Record, Issue 628, pp 37-43

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37. 1976-03

CURRENT PRACTICES IN USE OF RETRO REFLECTIVE SIGNING MATERIALS

NCHRP Research Results Digest, Issue 87, 5 p.

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38. 1976

PREDICTING TARGET-DETECTION DISTANCE WITH HEADLIGHTS

Transportation Research Record, Issue 611, pp 1-16

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39. 1975

LIGHTING RESEARCH AT THE U. K. TRANSPORT AND ROAD RESEARCH LABORATORY

Transportation Research Board Special Report, Issue 156, pp 90-100

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40. 1965

REACTIONS OF SOIL MINERALS WITH CEMENT AND CHEMICALS

Highway Research Record, Issue 86, pp 39-61

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41. 1964

SIGNIFICANT VISUAL PROPERTIES OF SOME FLUORESCENT PIGMENTS

Highway Research Record, Issue 49, pp 13-29

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42. 1958

VISION AT LEVELS OF NIGHT ROAD ILLUMINATION. III. LITERATURE 1956-57

Highway Research Board Bulletin, Issue 191, 5p

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43. 1951

Photometric Tests for Reflective Materials

Highway Research Board Bulletin, Issue 34, pp 40-54

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