View Q&A

Is it acceptable to install crash cushions back to back (see PDF)?  Do you know of any crash testing done on this type of installation?

In my opinion, it may be acceptable to construct crash cushions in this manner if the following points are mostly true:

(1)    the crash cushions were designed to provide adequate support for each other,

(2)    vehicle snag concerns were mitigated with proper layering/orientation of rail splices,

(3)    crash testing and/or design review by FHWA revealed no safety concerns.