According to Baidu map query, the address of Guanbei service area is Zhao 'an County, Zhangzhou City, Fujian Province. Expressway service area refers to a place specially for passengers and drivers to rest, and should provide parking lots, public toilets, gas stations, vehicle repair shops, restaurants and canteens, with an average distance of about 50 kilometers. The construction scale of service area should adapt to the future traffic growth.