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Transportation Research Circular, Issue E-C224, pp 67-80
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Transportation Research Circular, Issue E-C224, pp 59-66
Transportation Research Circular, Issue E-C224, pp 43-56
Transportation Research Circular, Issue E-C224, pp 30-39
Transportation Research Circular, Issue E-C224, pp 21-29
Transportation Research Circular, Issue E-C224, pp 3-18
Transportation Research Circular, Issue E-C224, 289p
NCHRP-IDEA Program Project Final Report, Issue 179, 38p
NCHRP Ready Results, 2p
NCHRP Research Topic Highlights, 8p
Transportation Research Circular, Issue E-C220, pp 209-223
Transportation Research Circular, Issue E-C220, pp 69-86
TR News, Issue 309, p 46
TR News, Issue 309, pp 41-42
TR News, Issue 309, pp 35-40
Rail Safety IDEA Program Project Final Report, Issue 25, 40p
123p
NCHRP-IDEA Program Project Final Report, Issue 176, 59p
NCHRP Research Report, Issue 859, 82p
NCHRP Synthesis of Highway Practice, Issue 512, 169p
Transportation Research Record: Journal of the Transportation Research Board, Issue 2612, pp 152-160
Transportation Research Record: Journal of the Transportation Research Board, Issue 2612, pp 141-151
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