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- Engineers used shredded waste tires as a lightweight foundation to build a highway ramp over unstable mud near San Francisco.
- This method reduced downward pressure on the soft soil by 40 percent compared to using traditional materials.
- The project saved $477,000 in construction costs and diverted thousands of tires from potential fire hazards.
- The site has remained stable and required no structural repairs since its completion in 2000.
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Named United States · Interstate 880 · Milpitas · California Department of Transportation · California Integrated Waste Management Board · California State University, Chico · CalRecycle · DingXin Cheng
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