More than 400 more service stations for outdoor workers started operation on Monday, boosting the number of such stations in Shanghai to over 1,000, the Shanghai Trade Union announced. The service stations are located in banks, telecommunications stores, supermarkets, pharmacies, post offices, restaurants, hotels and service stations of subdistrict governments and district trade unions. They intend to serve mainly street cleaners, package and food delivery workers, truck drivers, traffic police officers and assistants.