Xi traffic police detachment. Xi 'an International Port Area was formally established in 2008, with the goal of building China's first land port that is not along the river, along the coast and along the border. According to the administrative division of the port area, Xinggang No.4 Road in the port area is under the jurisdiction of Xi Traffic Police Detachment. Xi Traffic Police Detachment refers to the Traffic Management Bureau of Xi Public Security Bureau (Xi Public Security Bureau Traffic Police Detachment), which belongs to Xi Public Security Bureau and is the functional department responsible for road traffic safety management in the whole city.