POZ-LOC® Slip Base

POZ-LOC® Slip Base breakaway signpost system is designed to release on impact from any direction and rotates clear of the impacting vehicle with minimal change in vehicle velocity. The POZ-LOC® Slip Base is tested to NCHRP Report 350 and designed to AASHTO guidelines.

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The breakaway feature is designed to help minimize damage to posts. Signposts are potentially reusable after an impact within NCHRP Report 350 crash test standards.*

A single POZ-LOC® Slip Base stub can be used with the galvanized 2-7/8″ BWG 10, NP 40 or Schedule 80 post. Bolt on T-bracket or U-bracket to help provide stability for large signs or multiple sign installations. Use the bolt-down stub for pre-existing concrete.



*After an impact, the product must be inspected and evaluated per the direction of the specifying roadway authority. The ultimate decision on reusability rests with the specifying roadway authority and/or state DOT.


POZ-LOC® Post and Socket Assemblies

Post available from 8′ to 16′ in 1′ increments

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  • The galvanized “T” & “U” sign support brackets are available to help provide increased stability for large signs and multiple sign installations.

Bolt-Down Stubs

  • The galvanized bolt down stub is available for installations involving pre-existing concrete.

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Product Documents

PI Sheet

POZ-LOC® Round Sign Support

POZ-LOC® Slip Base