Toolbox of highway safety strategies /
prepared by the Center for Transportation Research and Education, Iowa State University ; sponsored by the Iowa Safety Management System (Iowa SMS).
Ames, Iowa : Iowa Safety Management System, .
Traffic / Safety /
Traffic safety > Traffic safety / Iowa.
Also available online via Internet at http://www.iowasms.org/toolbox.htm.
1 v. (loose-leaf) :
30 cm. +
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