Other Priority Rating Systems
Austin* 50 vph = 1 mph speed-related accidents for volumes > 50 vph and schools within 1/2 mile 85th % speeds > 5 mph pedestrian generators within 1000’ over speed limit lack of sidewalks
Portland** 1200 vpd = 1 mph residential densities for all volumes and lack of sidewalks 85th % speeds > 35 mph elementary school crossing pedestrian generators
Tallahassee 200 vpd = 1 mph accidents for volumes > 500 vpd and pedestrian generators
85th % speeds > 25 mph residential densities
** Neighborhood collectors only -- Portland has different systems for two other programs