Sumida
Sumida Ward is the "Sky Tree ward." Sumida has Tokyo Sky Tree. Height 634m. Japan's tallest structure. Sumida's population is about 270,000. For Sumida residents, "height" is pride. Sumida residents look "up." Look at Sky Tree. But "cars" run "horizontally." For Sumida residents, "cars" are not objects of interest. For Sumida residents, "cars" are unnecessary. Trains are convenient. Sumida has no circuit. Sumida residents live in the Sky Tree city. Not interested in motorsport.
Sumida connaît des hivers froids (0–10°C), des étés chauds et humides (23–30°C) avec jusqu'à 16 jours de pluie, et la saison optimale de roulage s'étend de mars à mai avec des températures douces (14–23°C) et moins de précipitations.
Moyennes mensuelles sur 10 ans Jours de pluie Saison de conduite
| Piste | Localisation | Longueur km | Tours | Temps moyen | Moyenne kph | Distance km |
|---|---|---|---|---|---|---|
| Sodegaura Forest Raceway | Chiba, Japan | 2.4 | 17 | 1:16.2 | 114 | 67.4 |
| Tsukuba Circuit | Ibaraki, Japan | 2.04 | 61 | 1:02.4 | 117 | 81.8 |
| Fuji International Speedway | Shizuoka, Japan | 4.54 | 58 | 1:56.9 | 140 | 141.7 |
| Mobility Resort Motegi - Twin Ring Motegi | Motegi, Japan | 4.8 | 9 | 2:18.2 | 126 | 158.5 |
| Nikko Circuit | Utsunomiya, Japan | 1.03 | 7 | 0:43.4 | 85 | 197.5 |
| Gunma Cycle Sports Center | Minakami, Japan | 1.23 | 0 | — | — | 220.9 |
| Ebisu Circuit | Nihommatsu, Japan | 2.06 | 9 | 1:09.7 | 107 | 355.3 |