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1Published 1996Subjects: “...Roads Interchanges and intersections....”
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3by Potts, Ingrid B., Harwood, Douglas W., Cook, Daniel J. (Traffic engineer), Grotheer, JosephSubjects: “...Rural roads....”
Published 2023
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4by Harwood, Douglas W., Cook, Daniel J. (Traffic engineer), Coakley, Richard C., Polk, ChadSubjects: “...Roads Maintenance and repair....”
Published 2021
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5by Potts, Ingrid B., Harwood, Douglas W., Cook, Daniel J. (Traffic engineer), Donnell, Eric T., Hamadeh, BachirSubjects: “...Roads Visibility. http://id.loc.gov/authorities/subjects/sh85114520...”
Published 2019
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6Published 2003Subjects: “...Roads United States Maintenance and repair....”
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7Published 1995Subjects: “...Roads Interchanges and intersections Design and construction....”
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9by Harwood, Douglas W.Subjects: “...Roads Safety measures....”
Published 2014
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10by Harwood, Douglas W.Subjects: “...Roads United States Design and construction....”
Published 2014
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11Published 2017Subjects: “...Roads Design and construction. http://id.loc.gov/authorities/subjects/sh85114491...”
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12by Potts, Ingrid B., Harwood, Douglas W., Cook, Daniel J. (Traffic engineer), Avelar Moran, Raul Eduardo, Busenbark, LeeSubjects: “...Roads United States Design and construction....”
Published 2023
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