Zhu, Sze, and Newnam report that a “street tree is considered a traffic calming measure.” Findings from the Zhu, Sze, and Newnam study “indicate that road width, bus stop, tram station, on-street parking, and 85th percentile speed are positively associated with pedestrian casualty. In contrast, pedestrian casualty decreases when there is a pedestrian crosswalk and increases in tree density and canopy. . . . urban street trees should have favorable effect on pedestrian safety. . . . findings are reflective…