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Minnesota Department of Transportation

511 Travel Info

Approved/Qualified Products

Reflective elements for pavement markings

Glass Beads

Product Manufacturer Approval Date
Ozark Type 1 Glass Beads Ozark Materials, LLC Provisional to 12/31/2024
Standard Highway Safety Marking Spheres Potter's Industries 8/1/2003
Standard Reflex Beads Swarco Industries, Inc. 6/17/2016