A regional inventory of sidewalks on all streets within the Portland, Oregon urban growth boundary based on the RLIS street centerline file. Inventory includes only those streets, pathways and other features that are represented by the RLIS street centerline file. Information includes the presence or absence of sidewalks on both sides of street centerline segments; the estimated percentage of sidewalk coverage (comparing length of existing sidewalk to possible length of sidewalk for each centerline segment); and the confidence of that percentage