Iron Lot offers 1″ thick A-36 Steel Road Plate for sale. Our ATSM A-36, A572-50 steel plates are fabricated to meet DOT specifi. Home About Products . HDPE Ground Protection Mats. UHMWPE Outrigger Pads. 10mm- 25mm HDPE sheets 4x8 wear resist plastic road plates 4×8 for parit . Road Plates For Sale – Iron Lot Road Plate for Sale. ...