Showing 1 - 3 results of 3 for search 'Seyfried, Robert K.', query time: 0.07s Refine Results
1
Traffic control devices handbook /
by Seyfried, Robert K.
Washington, DC : Institute of Transportation Engineers, 2013
2nd ed.

Book
2
Professional traffic operations engineers certification program refresher course /
Washington, D.C. : Institute of Transportation Engineers, 1999
Other Authors: “...Seyfried, Robert K....”

Book
3
Traffic control devices handbook /
Washington, DC : Institute of Transportation Engineers, 2013
2nd ed.
Other Authors: “...Seyfried, Robert K....”

Book
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