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Table 5 NPDC provided data validated using historic GSV images

From: Improving spatial data in health geographics: a practical approach for testing data to measure children’s physical activity and food environments using Google Street View

NPDC Feature Data points provided (n) Data points validated (n) Data points validated (%)
Public transport—Bus shelters 98 44 45
Public transport—Bus signs 410 179 44
Speed bumps 116 52 45
Pedestrian crossings 202 127 63
Total 826 402 49