Longitudinal Barrier Systems, Designator Nomenclature

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 in 2020

SGR55a, Steel-Post MGS with Omitted Post

SGR55b, Wood-Post MGS with Omitted Post

SGR56, Weak-Post W-Beam Guardrail in Asphalt Mow Strip

SGR57, Weak-Post W-Beam Guardrail in Concrete Mow Strip

SGR58, Pedestrian Rail

Longitudinal Barrier Systems added in 2019

SGR33e, Nu-Guard-31 Roadside Barrier, 5-lb Post

SGR67, RamShield W-Beam Barrier System

Longitudinal Barrier Systems added in 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 in 2018

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