The document outlines a pedestrian strategy for San Francisco that aims to make the city the most walkable in North America. It establishes goals of reducing pedestrian injuries and increasing walking for short trips. Key strategies include upgrading 44 miles of streets to improve pedestrian safety, giving extra crossing time at 800 intersections, redesigning streets around schools and senior areas, creating new plazas and parklets, reopening closed crosswalks, and installing a network of green streets for walking. The strategy provides a comprehensive set of actions to make city streets safer and more comfortable for pedestrians.