GIS Mapping Files

Accessibility_grade (int)

Six level accessibility grading scale
5 = most accessible
0 = least accessible

Access_description (text)

Text description of the accessibility_grade grading

Percent_deteriorated (%)

Percentage of sidewalk area classified as deteriorated

Sample properties from GeoJSON

{
"accessibility_grade": 5,
"access_description": "No significant barriers to access found",
"percent_deteriorated":0
}

ID (int)

Unique numerical ID for the inspection

Type (int)

Type of inspection (mid-block: 0, curb ramp: 1)

Collector (int)

Data collector ID

Date (date)

Data collection date

Sample properties from GeoJSON

{
"id": 73079,
"type": "curb ramp",
"collector": 122,
"date": "2024-02-09
}

Max_run_slope (%)

Maximum running slope in the inspection region reported in percent slope to the nearest tenth

Max_cross_slope (%)

Maximum cross slope in the inspection region reported in percent slope to the nearest tenth

Min_clear_width (in.)

Average clear width in the inspection region reported in inches

Avg_run_slope (%)

Average running slope in the inspection region reported in percent slope to the nearest tenth

Avg_cross_slope (%)

Average cross slope in the inspection region reported in percent slope to the nearest tenth

Avg_width (in.)

Average clear width in the inspection region reported in inches

Sample properties from GeoJSON

{
"max_run_slope": 5.0,
"max_cross_slope": 2.8,
"avg_run_slope": 3.2,
"min_clear_width": 47,
"avg_cross_slope": 1.2,
"avg_width": 60
}

Panel_area (sf)

Area of the inspection region covered in concrete sidewalk panels in square feet

Combined_area (sf)

Area of the inspection region covered in sidewalk of any material including deteriorated sidewalk

Brick_area (sf)

Area of the inspection region covered in brick sidewalk in square feet

Asphalt_area (sf)

Area of the inspection region covered in asphalt sidewalk in square feet

Gravel_area (sf)

Area of the inspection region covered in gravel

Total_Deteriorated_area (sf)

Deteriorated area either detected by DeepWalk's automated systems or by manual tags with the "deteriorated" tag

Deteriorated_area (sf)

Are of the inspection region covered in heavily deteriorated sidewalk detected by DeepWalk's automated systems

Deteriorated_panel_area (sf)

Area of the panels manually tagged with a deterioration tag

Cracked_area (sf)

Total area of detected cracks in the scan

Cracked_panel_area (sf)

Total area of panels with detected cracks

DW_area (sf)

Area of the inspection region covered in domed detectable warning surfaces in square feet

Length (ft)

Centerline length of sidewalk in linear feet

Sample properties from GeoJSON

{
"panel_area": 78,
"combined_area":78,
"brick_area": 0,
"asphalt_area": 0,
"gravel_area":0,
"total_deteriorated_area":0,
"deteriorated_area": 0,
"deteriorated_panel_area":0,
"cracked_area":0,
"cracked_panel_area":0,
"DW_area": 9,
"length": 20
}

Detectable_warning (text)

Detectable warning status (truncated domes, missing dw, or not necessary)

Obstructions (int)

Number of panels with a minimum clear width less than 36 inches

Passing_space (boolean)

"True" if inspection area has a maximum clear width greater than 60 inches

Material (text)

Primary construction material of sidewalk

Sample properties from GeoJSON

{
"detectable_warning": "No DW Necessary",
"obstructions": 0,
"passing_space": "True",
"material": "Concrete"
}

Clear_width_violations (int)

Number of panels with clear width less than 46"
(2" width tolerance by default)

Count_vertical_displacements (int)

Number of tagged vertical displacements in the scan

Cross_slope_violations (int)

Number of panels with cross slope greater than 2.5%
(0.4% tolerance by default)

Extreme_obstructions (int)

Number of panels with a clear width reduced to less than 15"

Severe_obstructions (int)

Number of panels with a clear width reduced to less than 36"

Sample properties from GeoJSON

{
"clear_width_violations": 4,    
"count_vertical_displacements": 2,
"cross_slope_violations": 0,
"extreme_obstructions": 1,
"severe_obstructions": 3
}

CS_score (int)

Numerical value indicating severity of cross slope violations in a section of sidewalk. Higher numbers indicate higher cross slopes, with 0 indicating no cross slopes greater than 2.5% detected. Link to documentation

RS_score (int)

Numerical value indicating severity of running slope violations in a section of sidewalk. Higher numbers indicate higher running slopes.  Link to documentation

Width_score (int)

Numerical value indicating severity of clear width violations in a section of sidewalk. Higher numbers indicate higher clear widths.  Link to documentation

DW_fix (int)

Accessibility Grade if a compliant detectable warning is added to the sidewalk

Width_fix (int)

Accessibility Grade if all clear width violations are removed

VD_fix (int)

Accessibility Grade if vertical displacements are removed from the sidewalk

Fruit_fix (int)

Accessibility Grade if a compliant detectable warning is added, trip hazards are removed, and obstructions are removed

Sample properties from GeoJSON

{
"cs_score": 26,
"rs_score": 0,
"width_score": 40,
"dw_fix": 4,
"width_fix": 3,
"vd_fix": 4,
"fruit_fix": 5
}

Panels (dictionary)

Python dictionary used for creating interactive, labelled images of the inspection or for advanced panel-by-panel analysis

Raw_score (dictionary)

Python dictionary including the cs_score, rs_score, width_score, dw_score, percent deterioration, and ramp_check for custom scoring schema

Violations (dictionary)

Python dictionary including the counts of each violation type by severity

Email support@deepwalkresearch.com for support using these advanced fields.

Labelled_img_media (link)

Hosted link to an .jpg image of the inspection area with barriers to accessibility marked with colored icons

Raster_media (link)

Hosted link to an .jpg image of the inspection area

Autoreport_media (link)

Hosted link to PDF file of the AutoReport

Sample properties from GeoJSON

{
"labelled_img_media": "link",
"raster_media": "link",
"autoreport_media": "link"
}