Traffix Devices Product Guide, pp. 15, Apr. 1998, TrafFix Devices, Inc., San Clemente, CA. |
Standfix Flat Cone Product Brochure, pp. 1-8, May 1997, American Transportation Equipment, Inc., Industry, CA. |
Windbreakers Non-nmetallic Channelizing Device; Trafcon Industries Inc.; Patent Pending, No date. |
Big Food Self Ballasting Vertical Chanelizer; Protection Services Inc. a Division of Stabler Companies inc.; 11/95. |
DDK Barricade; What Makes DDK The Best?; Service L.C., Cedar Falls Iowa, No date. |
Ilmpact Recovery Systems; Flexible Traffi Control Producst; San Antonio Texas, No date. |