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TR News, Issue 300, pp 9-14
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TR News, Issue 300, pp 21-24
NCRRP Legal Research Digest, Issue 2, 825p
TR News, Issue 299, pp 22-24
TR News, Issue 299, pp 18-21
NCHRP Legal Research Digest, Issue 67, 46p
6p
65p
162p
NCHRP Web-Only Document, Issue 214, 143p
Rail Safety IDEA Program Project Final Report, Issue 24, 34p
Transportation Research Circular, Issue 199, pp 19-31
NCHRP Research Results Digest, Issue 395, 11p
94p
NCHRP Research Results Digest, Issue 393, 37p
Transportation Research Circular, Issue E-C196, 130p
ACRP Legal Research Digest, Issue 24, 188p
Transportation Research Circular, Issue E-C193, 88p
NCHRP Legal Research Digest, Issue 64, 73p
NCRRP Legal Research Digest, Issue 1, 79p
TR News, Issue 296, p 48
TR News, Volume 296, pp 12-23
TR News, Issue 296, pp 34-37
Transportation Research Board Conference Proceedings on the Web, Issue 17, 70p
Transportation Research Record: Journal of the Transportation Research Board, Issue 2531, pp 146-152
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