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
CASS-S3 (1:4 Slope) 4-Cable Guardrail Safety System Trinity Highway Products (CASS) 08-22-2012

*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. 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.