Private cars in Huai 'an are used by the whole city, and there is no distinction between districts and counties. The number provided on the second floor is wrong, and many letters are not enabled. After the correct number segment: Su H "code, the initials of five digits represent different districts and counties: Bus: 0-9 (all five digits are numbers): Qinghe District, Qingpu District, Development Zone C: Huaiyin District N: Lianshui County S: Chuzhou District U: Hongze County W: Xuyi County Y: Jinhu County Taxi: Z Private Car (cities * *).