CITY Circuit Tokyo BAYJapan's largest EV kart circuit CITY CIRCUIT TOKYO BAY opens in Odaiba in late October. This is the only circuit course in Tokyo’s 23-ku (cities) where anyone can race through indoor and outdoor tracks in special karts developed by TOM'S, a producer of vehicles for the EV section of All JAPAN Karting Championship, as well as via a racing simulator without actually riding the