Regulations last checked for updates: Dec 17, 2025

Title 49 - Transportation last revised: Nov 03, 2025
§ 587.13 - General description.

The offset deformable barrier is comprised of two elements: a fixed rigid barrier and a deformable face (Figure 1). The fixed rigid barrier is adequate to not deflect or displace more than 10 mm during the vehicle impact. The deformable face consists of aluminum honeycomb and aluminum covering.

authority: 49 U.S.C. 322,30111,30115,30117,and; delegation of authority at 49 CFR 1.50
source: 55 FR 45779, Oct. 30, 1990, unless otherwise noted.
cite as: 49 CFR 587.13