AGGREGATES/ASPHALT/ONTARIO TRAP ROCK
Ontario Trap Rock. OTR is a specialty aggregate quarry which sits on a 1,000 acre site on the shores of Lake Huron. It contains more than 80 million tons of diabase. The very hard, durable nature of trap rock makes it ideally suited to the stringent specifications of railroads and high friction asphalt applications. OTR offers: