Street typologies are ideas for the way in which the street works for vehicles, pedestrians, landscape and buildings to show how all of the elements and activities are integrated into the design of the new downtown. Width of the street helps dictate the flow and speed of vehicle traffic. Sidewalk depths set flow and speed for pedestrians as well as create opportunities for street amenities like sidewalk dining, trees and landscaping, signage and art. The width of the sidewalk also affects the way in which the buildings address the streetscape, which has a great effect on the viability of retail and restaurant uses. Finally, changes in elevation between the street, sidewalk and buildings create natural separations for vehicles and pedestrians, but feel seamless and integrated.