California buried 662,700 tires under I-880 ramp, saved $477K, 22 years
California engineers used 662,700 shredded waste tires under an I-880 ramp in 2000 to address unstable bay mud. This innovative solution reduced weight on the soil by 40% and saved $477,000 in project costs. The infrastructure has remained stable for 22 years, showing no maintenance issues or structural damage, highlighting the effectiveness of this approach.