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6662 documents found.
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Published:
| Kroll, C.V.
Published:
| Weir, D.H. & Wojcik, C.K.
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| Sussman, E.D. Sugarman, R.C. & Knight, J.R.
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| -
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| American Association of State Highway Official AASHO
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| Joint Select Committee on Road Safety
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| Robbins, D.H. Snyder, R.G. & Roberts, V.L.
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| Chenchanna, P.