Research
Key Findings
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Over 500 million pieces of litter can be found on Pennsylvania's roadways
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Ciagartte butts and plastic collectively compose the majority of litter items. Of the total estimated litter, 186.2 million were cigarette butts followed by 152.9 million pieces of plastic. Plastics represent 45 percent of all visible litter 4 inches or greater
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The composition of litter varies by the size of the litter item. Beverage containers and plastic film, including plastic trash bags, other plastic bags and food packaging film, were the most predominant types of larger litter. Cigarette butts are the most common smaller items
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Over 40 million beverage containers and fast food products are littered on Pennsylvania roadways. An estimated 29.3 million beverage containers and 12.3 million fast food products are currently littered on Pennsylvania roadways
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Freeways and expressways had the most litter items per mile. Freeways and expressways had the most litter per mile (7,523 litter items per mile on average). In contrast, local roads had the lowest littered items per mile (1,034 litter items per mile on average).