Minnesota Department of Transportation

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Approved/Qualified Products

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Longitudinal barriers (high tension cable)

Longitudinal Barriers (High Tension Cable) Products*
Product Manufacturer Approval Date
Brifen TL-4 (4-Rope) WRSF Brifen 08-22-2012
Gibraltar TL-4-4-Cable Barrier System Gibraltar 08-22-2012

*Product shall be accepted by the FHWA as meeting or exceeding the TL-3 MASH or TL-3 NCHRP 350 requirements. Installer shall assume all responsibility for proper application and adherence to the manufacturer's installation instructions. Maximum line post spacing shall be 10 feet.

Longitudinal Barrier Composite/Plastic Blockouts
Manufacturer FHWA Eligibility Letter Test Approval Date
Mondo Polymer Technologies B-39B, B-39D NCHRP 350/MASH 11-09-2016
Trinity Highway Products B-85E NCHRP 350 11-09-2016
Longitudinal Barriers Misc Products
Mailbox Support**
Product Manufacturer Approval Date
Swing Away Mailbox Support Nonproprietary, MnDOT Standard Plate 9350A 06-2007

**Product shall be accepted by the FHWA as meeting or exceeding the TL-3 MASH or NCHRP 350 requirements. Installer shall assume all responsibility for proper application and adherence to the manufacturer's installation instructions.