Highway Delineation

2026-11-03

Group 1 – Flexible Delineator Posts Carsonite as Follows : Roadmarker ( CRM ); Dual - Sided Marker ( CIB ); Curv - Flex ( CFR ); Tuff - Flex ( CTFM ); See Exhibit 9 for drawings , colors , lengths , and illustrations ; Posts must be constructed of fiberglass - reinforced composite material , and ; All styles must be supplied with anchor barbs . Flexible Delineator Posts Reflective Sheeting : Flexible Delineator Posts must have Reflective Sheeting ( RS ) meeting the following requirements : Type IV ( minimum ) direct applied retroreflective sheeting conforming to Section 712 . 02 of ITD ’ s Standard Specifications for Highway Construction : https :// apps . itd . idaho . gov / Apps / manuals / SpecBook / SpecBook23 . pdf . Centered horizontally on the post ; Measures ( as determined by ITD at the time of order ): Must be three ( 3 ) inch wide by three ( 3 ) inch long ( 3 ” X 3 ”) and three ( 3 ) inch wide by six ( 6 ) inch long ( 3 ” X 6 ”), and ; Must be available in white , yellow , red and blue . Group 2 – Glasforms Snow Marker Poles Glasforms Flexible Rectangular Fiber Reinforced Polymer Composite Snow Marker Poles : Glasforms RSP38 - 120 - 03 Rectangular Snow Marker Poles ; Must be three - eights ( 3 / 8 ) inch X one and a quarter ( 1 ¼ ) inch solid bar ; Must have Unidirectional E - glass in isopolyester resin with Ultra Violet ( UV ) resistance ; Must have an Elliptical profile with flattened back ; Reflectivity must not be applied ; Must be one hundred forty four ( 144 ) inches in length ; Must be orange in color ; Must have radius edges and ; Must have beveled corners . Group 3 – Rib - Back Rigid Steel Posts Nucor Marion Rigid Type “ U ” Channel Steel Posts for Delineators : Must meet the dimensional design requirements described in Exhibit 9 - Illustrations Type “ U ” Rigid Steel Post Detail Drawing ; Must be one point one two ( 1 . 12 ) lb ./ ft six ( 6 ) ft meeting A499 - 89 Grade sixty ( 60 ). ( Roll form meet A499 - 89 Grade 60 or equal are acceptable ); Punching must be three - eighths ( 3 / 8 ) inch diameter holes on one ( 1 . 0 ) inch centers , with first hole one ( 1 . 0 ) inch from the top and last hole twenty - six ( 26 ) inch from the top ; Must not have an anchor plate ; Coating must be free of lead and chromate pigments , and ; Must be galvanized or finished with green baked enamel , conforming to section 708 . 16 of ITD ’ s Standard Specifications for Highway Construction : https :// apps . itd . idaho . gov / Apps / manuals / SpecBook / SpecBook23 . pdf .

Idaho

2026-05-06