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Traffic control devices, visibility, and rail-highway grade crossings, 2003.
Pubblicazione 2003Libro -
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Traffic control devices, visibility, and rail-highway grade crossings, 2001.
Pubblicazione 2001Libro -
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Traffic control devices, visibility, and rail-highway grade crossings 2000.
Pubblicazione 2000Libro -
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Highway capacity, quality of service, and traffic flow and characteristics.
Pubblicazione 1999Libro -
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