Table 2 Overview of the first segment of the dataset categorized by type.

From: A Large-Scale Image Repository for Automated Pavement Distress Analysis and Degradation Trend Prediction

Country

Category

Num

Definition

Shanghai, China

crack

72054

an unintentional break in the continuous surface of a pavement, including: longitudinal cracks and transverse crack

patched crack

41636

a crack that has been repaired by replacing the damaged area with new material

pothole

15615

bowl-shaped hole or depression in the pavement surface

patched pothole

8787

a pothole that has been repaired by replacing the damaged area with new material

alligator crack

8224

an interconnected fine crack exhibiting a network pattern

patched alligator crack

2503

an alligator crack that has been repaired by replacing the damaged area with new material

manhole

28758

a lid covering the access opening to underground utility pipelines

street waste

6291

waste materials scattered on road surfaces

speed bump

2220

a raised transverse traffic calming device installed across roadways, engineered with specific height and slope parameters to compel vehicles to reduce speed for safety purposes

puddle

1102

a small, localized accumulation of water on pavement surfaces resulting from surface deterioration, depression formation, or rainwater collection

California, USA

crack

4884

an unintentional break in the continuous surface of a pavement, including: longitudinal cracks, transverse crack and alligator crack

pothole

56

bowl-shaped hole or depression in the pavement surface

patched crack

656

a distress that has been repaired by replacing the damaged area with new material

patched pothole

37

a distress that has been repaired by replacing the damaged area with new material

clay-patched crack

328

cracks repaired using clay rather than conventional asphalt or concrete materials

manhole

26

a lid covering the access opening to underground utility pipelines