Daytime average traffic density of the trunk roads in study areas
| Area | Trunk roads | Traffic density (1990) | |
|---|---|---|---|
| All (vehicles/12 hours) | Heavy vehicles (vehicles/12 hours) | ||
| Chuo ward | Kiyosumi avenue | 24100 | 5724 |
| Ohta ward | Route 131 | 24172 | 6612 |
| Shibuya ward | Yamate avenue | 32881 | 4152 |
| Itabashi ward | Route 17 | 30884 | 6949 |
| Tanashi City | Shinoume street | 28821 | 5018 |
| Hachioji City | Route 20 bypass | 20397 | 2681 |
| Tachikawa City | Tachikawa avenue | 10216 | 1730 |
| Machida City | Machida street | 13816 | 1742 |
| Ome City | Okutama street | 8641 | 1690 |