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RECYCLED TIRE ASPHALT
In 1979, Minnesota began mixing ground-up scrap tires into two asphalt test roads; years later, FHWA said both experimental sections were still performing wellIn Minnesota, a trial was conducted to explore the use of recycled tire rubber for enhancing roadway performance in winter. Utilizing PlusR...- In 2012, Bellingham used porcelain from 400 recycled toilets to build a roadway, diverting about 5 tons of waste from landfill. It earned the world's first official "Greenroads" certificationCities across the US are embracing creative solutions for eco-friendly infrastructure. In Bellingham, Washington, a unique project utilized...
- In the 1990s, a highway project in Oregon triggered a landslide. Engineers removed soil and buried 580,000 shredded tires to fix itOregon's engineering team has pioneered a remarkable solution by integrating nearly 580,000 shredded tires into highway repairs. This cleve...
- In 2020, California repaved a highway using recycled materials, including 150,000 plastic bottles per mile; it could last 2-3 times longer than conventional asphaltCalifornia transportation officials tested recycled pavement using plastic bottle binder. This pilot project on Highway 162 consumed approx...
- In the year to September 2023, one Australian city used 6,790 litres of waste engine oil to build roads; it became a coating for stone used in road sealsIn the year leading up to September 2023, the City of Greater Geelong transformed thousands of litres of used motor oil into durable public...
- In 2025, Nebraska put two million plastic bags into a 4,000-foot road; it became the state’s first recycled-plastic roadNebraska put the equivalent of two million plastic bags into a 4,000-foot road in 2025, creating the state’s first recycled-plastic road. T...
- A 1998 Texas experiment mixed printer toner into asphalt, and tests found it could make the mix strongerA recent study reveals that adding waste toner to asphalt binder can significantly improve its performance. With just a ten percent additio...
- In 2024, Michigan Tech mixed 6% treated waste glass into asphalt; dynamic stability rose 42.3%, and anti-skid performance improved 38.6% over standard mixesResearchers at Michigan Technological University have discovered an innovative way to utilize waste glass in paving roads. Their findings r...
- In 2026, Texas engineers mixed 4.5 tons of waste plastic into nearly a mile of road; the recycled material replaced 8% to 10% of petroleum-based bitumenInnovative researchers are pioneering the use of recycled plastic to improve the durability of asphalt roads. By substituting a portion of ...
- 32,600 used tires did not go to a landfill. Instead, Michigan turned them into a 1.15-mile road in Clare County that can also reduce traffic noise. The next target is Detroit roadsMichigan is turning discarded tires into road-building material, with 32,600 passenger tire equivalents reused on a 1.15-mile stretch of Ha...
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