File:Mitigate barrera de contencion.PNG - Wikipedia
The "Fitch Highway Barrier System", invented by race car driver John Fitch, comprises a series of such impact attenuators often found in a triangular. - ppt download
This is the road barrier deep dive you never knew you needed - CNET
UNIVERSAL BARRELS® Crash Cushion System – Rehber Hds • Bariyer Sistemleri
The "Fitch Highway Barrier System", invented by race car driver John Fitch, comprises a series of such impact attenuators often found in a triangular. - ppt download