'area_type': {0: 'Rural', 1: 'Urban'},
 'land_use': {-1: 'Unknown',
  0: 'Not Underdeveloped or Commercial',
  1: 'Underdeveloped areas',
  4: 'Commercial'

'delineation': {0: 'Adequate', 1: 'Poor'},
 'street_lighting': {0: 'Not present', 1: 'Present'},
 'carriageway': {0: 'Undivided road', 1: 'Carriageway of a divided road'},
 'service_road': {0: 'Not present', 1: 'Present'},
 'road_condition': {0: 'Good', 1: 'Medium', 2: 'Poor'},
 'skid_resistance': {0: 'Sealed - adequate',
  1: 'Sealed - medium',
  2: 'Sealed - poor'},
 'upgrade_cost': {0: 'Low', 1: 'Medium', 2: 'High'},
 'speed_management': {0: 'Not present', 1: 'Present'},
 'bicycle_facility': {0: 'Not Present', 1: 'Present'},
 'quality_of_curve': {0: 'Adequate', 1: 'Poor', 2: 'Not applicable'},
 'vehicle_parking': {-1: 'Unknown', 1: 'None'},
 'property_access_points': {-1: 'Unknown', 1: 'None'}

number_of_lanes': {0: 'One',
  1: 'Two',
  2: 'Three',
  3: 'Four or more',
  4: 'Two and one'