 A specialized lane controller for weigh-in-motion, toll operations, and access control applications New opportunities are emerging worldwide in tolling as governments seek revenue sources to fund infrastructure projects A stronger presence in the toll market supports the growth of IRDs weigh-in-motion business and leverages recently acquired fiber-optic sensor capabilities SASKATOON, SK, Sept. 13, 2021 PRNewswire - International Road Dynamics Inc. IRD or the Company, a Quarterhill Inc. Quarterhill company TSX: QTRH OTCQX: QTRHF, announced today that IRDs subsidiary PAT Traffic Ltda. 