Minnesota Department of Transportation

511 Travel Info

Approved/Qualified Products

Mailbox Support

Product Manufacturer Approval Date (2)
Swing Away Mailbox Support Nonproprietary, MnDOT Standard Plate 9350A 06-2007
  1. 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.