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Table 2 Summary of basic network features by transportation mode

From: Social and economic flows across multimodal transportation networks in the Greater Tokyo Area

Transportation mode

Node count

Directed edge count

Train station nodes

1546

—

Train access edges

—

10,358

Train transfer edges

—

35,670

Train routes

5179

10,536

Bus stop nodes

32,901

—

Bus access edges

—

186,172

Bus transfer edges

—

524,260

Bus routes

93,086

181,574

Road network

58,012

79,328

Hex nodes

244,721

1,459,096

Connecting links

—

434,892

Total

435,445

2,921,886

  1. Train and bus networks are bi-directional, but the traversal times of access edges are asymmetric. The road network includes 23.1% one-way links, often representing each side of a divided two-road. The hex network as well as the intermode walking links are fully symmetrically bi-directional