In 1990, Oregon trucked 580,000 tyres up to 200 miles to shore up slide-prone US 42; net cost $10 a ton, and federal engineers called it the largest tyre fill for a landslide correction project
In 1990, Oregon engineers tackled a landslide on US Highway 42 using 580,000 shredded tires, reducing the weight on unstable slopes and innovating waste management. This historic project was noted as the largest tire fill for landslide correction by federal authorities.