by
Lyles, R. W.
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An evaluation of warning and regulatory signs for curves on rural roads / Lyles, R. W.
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Lyles, R. W.
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An evaluation of warning and regulatory signs for curves on rural roads : Executive summary / Lyles
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Franklin Institute (Philadelphia, Pa.). Research Laboratories.
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Identification and evaluation of remedial aid systems for passing maneuvers on two-lane rural roads /
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Stout, D. (Dale)
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Roads -- Safety measures -- Evaluation.
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Bligh, Roger P., author.
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Roads -- Lighting -- Break-away supports -- Evaluation.
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Pigman, Jerry G.
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Roads -- Kentucky -- Safety appliances -- Evaluation.
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Highlands, Keith L.
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Roads -- Pennsylvania -- Guard fences -- Evaluation.
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Snyder, Richard R.
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Roads -- Pennsylvania -- Safety measures -- Evaluation.
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Mayer, J. B. (Joseph B.), author.
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Roads -- North Dakota -- Safety measures -- Evaluation.
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Post, Edward R.
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Roads -- Guard fences -- Kansas -- Roads -- Guard fences -- Design and construction -- Evaluation.
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Schauer, Dale.
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Roads -- Guard fences -- Evaluation.
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Stewart, Carl F.
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Roads -- California -- Embankments -- Evaluation.
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