Minnesota Department of Transportation

511 Travel Info

Work Zone Safety Tools - Devices and Lighting

Information on Crashworthy Devices, Vehicle Lighting and other approved products

Orange barrels on a highway

Crashworthy Devices

Crashworthy Devices Information

(MASH/NCHRP 350)

Contact MnDOT for crashworthy device information

Crash Testing Requirement for Work Zone Safety Devices

General Requirements for Devices

All Category I and Category II temporary traffic control devices shall meet 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. Types I, II and III barricades, etc.

Crashworthy Device Certificate of Compliance Form (PDF 89.7 KB)

FHWA website for Approved Work Zone Devices

Type III Barricades - NCHRP 350 Approved

MnDOT approved generic sign designs

Portable Sign Support Structures.

Temporary Portable Concrete Barrier

Standard Plate

The contractor shall furnish and install portable precast median barriers in accordance with current specification. MnDOT Standard Plate 8337

Special Provision and Quality Specifications

Provides description of MnDOT Standard Plate 8337 and shows examples of: Barriers - Acceptable and Unacceptable (PDF 2.5 MB)