How many scrap tires are there in the U.S.-Mexico border region?
There are 46 known tire piles in the U.S.-Mexico border region (defined as 100 km on each side of the 2,000 miles long border), according to the Border 2012: U.S.-Mexico Border Scrap Tire Inventory Summary Report (May 2007). In 2008, the largest tire pile was located near Ciudad Juárez with over four million tires.