Table 1 The number of trunks (trees) according to their sizes (daily average)

From: Unveiling city jam-prints of urban traffic based on jam patterns

Size threshold

Beijing (52,968 links)

Shenzhen (22,248 links)

≥1

34,647 (65.4%)

13,341 (60.0%)

≥5

15,483 (29.2%)

6371 (28.6%)

≥10

3850 (7.3%)

1905 (8.6%)

≥20

416 (0.8%)

218 (1.0%)

  1. The percentage in the parenthesis is derived considering the number of trunks out of the number of total links in each city (e.g., 65.4% = 34,647/52,968). These percentages represent the relative jam scale of a city during the day.