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Minnesota Department of Transportation
Collecting trash by hand along grassy highway shoulders and medians in the Twin Cities metropolitan area costs about $2 million per year. “Harvesting” trash in this manner is a time-consuming task that also presents serious safety hazards for Mn/DOT workers. Although there are machines that can remove trash from flat, smooth, paved surfaces, none have been designed to pick up litter from grassy areas or slopes without removing grass or clippings. Designing an off-road trash harvester would make the process of picking up trash easier, safer, faster and more cost-effective. In addition, fewer employees would be needed for trash pickup, freeing up some of them for other assignments.
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