¶ Box Beam
A steel tube which acts as a vehicle barrier. Typically used in high-wind, high-snow areas where traditional w-beam causes snow drifts.
¶ Operation
To Be Completed
¶ Devices
We currently only mark one type of Box-Beam.
- Weak-Post Box-Beam Guardrail
The sources of the specific device names are documented here.
¶ Condition Assesment
Several agencies have created detailed guardrail repair standards and assesment criteria, which are partially applicable to box-beam:
- FHWA - 2008-fhwa_wbeam_repair.pdf
- NCHRP - 2014_w-beam_damage_assesment_guide.pdf