Delineator Posts

IRS offers durable, high-performance flexible polyethylene delineators and channelization posts. It is ideal for exit lane delineation, marking changes in road alignment, center-line traffic separation, bike lane protection and urban turn restrictions.

It can also be used effectively as an opposing traffic lane divider and to delineate the edge of a pavement drop off where space limitations do not allow the use of larger systems.

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  • MUTCD compliant
  • Sustained 50 hits at 55 mph during testing
  • Fully Impactable from any angle
  • Anti-twist reactive spring assembly rebounds post to its original upright position when struck
  • 360° of retro-reflectivity
  • Vivid integral colorization
  • Constructed of flexible plastic that is resistant to damage from UV light, ozone and hydrocarbons


Post Spring Type

Fixed: For use with our fixed bases. Upright must be secured to the base with tightened bolts.

Quick Release: A quick release pull pin is added to our standard post spring type for easy attachment and removal of uprights when used with our quick-release bases. Change out or remove products in less than five seconds without the use of tools or special equipment.

Drivable: For use with our in-ground drivable base fitting only. This spring type is not interchangeable with standard Impact Traffic™ uprights. It is designed for soil installations.

Product Specifications for all MP2 Types

  • Post Diameter (OD): 2.375”
  • Post Heights: 28”, 36”, 42”, 48”
  • Flexible HDPE plastic
  • Reflective Sheeting Type: Diamond grade or high intensity
  • Reflective Sheeting Colors: White, orange, yellow, red, green or blue
  • Spring Type: Fixed, Quick Release or Drivable spring types available
  • Compatible Bases: Compatible with all Impact Traffic™ bases. Sold Separately. Post spring type must be specified at time of order.