Table 3 Changes in road network characteristics across various rainfall scenarios.

From: Flood impacts on urban road connectivity in southern China

Characteristics of the road network

Original road network

Un-flooded road segments under different return periods of rainfall

2a

5a

10a

20a

50a

100a

Number of road segments

511

390

343

317

285

259

218

Length of roads (km)

155.6

105.9

91.1

81.5

72.9

66.4

56.4

Number of road intersections

323

295

277

266

251

236

211

Number of road endpoints

71

52

46

43

40

37

28