Abundance and composition of anthropogenic macrolitter and natural debris in road runoff in Ohio, USA

•Field monitoring study of macrodebris conveyed from eleven diverse roads in Ohio.•Mean macrodebris volumetric, mass loading rates of 8.56 L/ha/d and 0.79 kg/ha/d.•Vegetation primary contributor to macrodebris volume (80.3%) and mass (79.7%).•Road functional class, land use, and development density...

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