A number of Kansas DOT specifications require prequalification of materials and products prior to use in construction projects. The specific requirements are listed in each specification or special provision. Products which are currently approved for use are included in this list. You may access each section of the list through links in the index. These files are in the ".pdf" format and need "Adobe Acrobat Reader Software" to view them, see below for link to download site.

Products meeting specifications that are not listed may be added to the list by contacting the Assistant Bureau Chief of Materials and Research at: e-mail , (785)296-3711 voice, (785)296-6665 FAX or writing to: Kansas Department of Transportation, Bureau of Materials and Research, Eisenhower State Office Building, Topeka, KS 66603.

New Products not defined in the specifications are evaluated to determine whether they improve the Agency's efficiency over currently used products or methods or satisfy an Agency need. A listing of new products currently in the review and approval process and application forms for new product evaluation are available.