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Crashworthiness
1 article on crashworthiness.

Sep 17, 2026
Sign Stands, Sandbags and Ballast in Work Zones
Ballast is the most improvised item in a traffic control yard and one of the few that can turn a device into a projectile. What the MUTCD says about ballasting cones, drums and barricades, why more is not better, and what a yard should standardise.