Expressway-Category Traffic in Japan’s Nine Regions
2021 and 2015 / Expressways and urban expressways
View details for the nine regionsCombined traffic across 2,974 comparable basic road sections
2015
122,137,049
vehicles/day · sum of basic-section values
→
2021
111,289,902
vehicles/day · sum for the same sections
Change -10,847,147vehicles/day（-8.9%）
| Region | Comparable sections | 2015 vehicles/day | 2021 vehicles/day | Change vehicles/day | Rate of change |
|---|---|---|---|---|---|
| Hokkaido | 132 | 1,842,629 | 1,497,985 | -344,644 | -18.7% |
| Tohoku | 255 | 4,364,613 | 3,708,144 | -656,469 | -15.0% |
| Kanto | 665 | 43,744,718 | 40,174,505 | -3,570,213 | -8.2% |
| Chubu | 755 | 29,130,469 | 25,923,661 | -3,206,808 | -11.0% |
| Kinki | 496 | 26,976,320 | 24,830,523 | -2,145,797 | -8.0% |
| Chugoku | 215 | 4,358,819 | 4,109,238 | -249,581 | -5.7% |
| Shikoku | 101 | 1,459,516 | 1,339,116 | -120,400 | -8.2% |
| Kyushu | 329 | 9,341,480 | 8,877,324 | -464,156 | -5.0% |
| Okinawa | 26 | 918,485 | 829,406 | -89,079 | -9.7% |
Meaning of the combined value:This is an extended total obtained by adding the vehicles-per-day value for each basic section, not a count of unique vehicles. Only the same 2,974 sections with values in both years are compared; 138 non-comparable sections are excluded.