OregonDOT: Assessing accessibility
OregonDOT: Identifying obstacles
OregonDOT: Looking for clearance
OregonDOT: Measuring cross slope
OregonDOT: Measuring width
OregonDOT: Potential barrier to access
OregonDOT: Sidewalk accessibility is crucial
OregonDOT: Sidewalk slope
OregonDOT: Sidewalk width