Crash Testing Requirement for Work Zone Safety Devices
General Requirements for Devices.
This aluminum composite sign panel is suitable for all Category I and Category II temporary traffic control devices used on or after January 1, 2006 shall meet NCHRP 350 crash testing criteria. This includes all new and used Category I and Category II devices. Category I devices include tube markers, plastic drums and cones, etc Category II devices include portable sign supports, Type I, II and III barricades, etc.
NCHRP350 Letter of Compliance.PDF
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