"To honor those who lost their lives while working to construct and maintain highway projects across the state of Minnesota." Crashworthy Devices Information
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. Category III Devices
Temporary Portable Precast Concrete Barriers (see standard plate 8337)
Approved Vehicle Lighting
Vehicle Lighting Information
Who to contact
Contact MnDOT for Approved Vehicle Lighting
Vehicle Warning Light Specification
Vehicle Safety Lights Approved Products List Temporary Portable Concrete Barrier Quality Specification
Provides specifications and pictures for Concrete Median Barrier Design
The contractor shall furnish and install portable precast median barriers in accordance with current specification.
MnDOT Standard Plate 8337 Optional Connecting Pin Modification
A field modification has been approved to the connecting pin in order to improve the field placement and removal operation of the barrier system.
Tech Memo 11-11-TS-02 Description and pictures of Concrete Median Barrier Design
Provides description of MnDOT Standard Plate 8337 and shows examples of:
Barriers - Acceptable and Unacceptable (PDF 2.5 MB)