“…Pollution degrees of Co, Cr, Pb, Cu, Zn, Ni, Mn, and V in the finer than 100 μm roadway dust samples were evaluated using the Nemerow synthetic pollution index (NSPI) and geoaccumulation index (I geo ), which are widely applied to assess heavy metal contamination in water, soil, sediment, and dust [7,12,15,[33][34][35][36][37].…”