There is no charge from Kaiping to Zhongshan Zhongyang Expressway. Zhongyang expressway is an important expressway in the planning of expressway network in Guangdong Province, and an important channel connecting western Guangdong and the Pearl River Delta region. The expressway intersects with Shanzhan expressway in Kaiping City and Shencen expressway in Zhongshan City, and has multiple entrances and exits and service areas. The Zhongyang Expressway from Kaiping City to Zhongshan City is free.