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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 modeNode countDirected edge count
Train station nodes1546
Train access edges10,358
Train transfer edges35,670
Train routes517910,536
Bus stop nodes32,901
Bus access edges186,172
Bus transfer edges524,260
Bus routes93,086181,574
Road network58,01279,328
Hex nodes244,7211,459,096
Connecting links434,892
  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