Open Top Delineator

Experience traffic control and organized, safe worksites with the industry leading G-Rock safety open-top traffic delineator. The open top delineator is durable, quick to setup, highly visible an offered a few different sizes.


  • G-Rock Safety open top delineators are made of a durable low density polyethylene (LDPE) plastic. Quick to setup, this open top delineator can stand the test of time with its compound utilizing polymer protection that ensures they hold their color in the harshest condition. Product meets Federal NCHRP & MUTCD standards.

Visibility and Sizing

  • A recessed area provides protection to the 3M prismatic reflective sheeting. Use this open top delineator as a starting point and seamlessly create a barrier with a G-Rock Safety cone bar. and These products are available in two sizes: 42” and 28” post diameter with the option of a 12lb or 8lb base.

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18” JBC Traffic Cone

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28” JBC Traffic Cone

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36” JBC Traffic Cone

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