Longitudinal Barrier Systems, Designator Nomenclature

ClassFunctionTypeNumberOptions
S - SystemG - GuardrailM - Median Barrier01 - 99a - z
R - Roadside Barrier

For example, SGR20a is a System that is a Guardrail for Roadside applications.

Longitudinal Barrier Systems added since 4/20/2018

SGM39, RESTORE Longitudinal Barrier

SGR33d, Nu-Guard-31 Roadside Barrier, 4-lb Post

SGR66, Road Safety Barrier Roller System, Model ETI-GR02-TL4

Significant Updates since 4/20/2018

SGR02b, Modified Weak-Post W-Beam Guardrail. Posted FHWA Eligibility Letter B-305 for MASH TL-3 compliance.