Is there a regulation on the number of buses on Dandong Line 4?

Line 4 in Dandong connects several roads in a conventional way. According to relevant information, the 103 road bypasses Guozhen Road and Jinshan Street to New Tesco to resume the original route, while Baifang Street, Chunsan Road and Tiekuang Road are temporarily suspended and stop at stations along Jinshan Street. 120 route bypasses Chunsan Road, Taoyuan Street and Baifang Street to restore the original route. Central Hospital, Hongfang New District and Maokui Mountain temporarily stopped driving and stopped at People's Square North and Baifang Street. Route 12 1 Bypass the Taoyuan Overpass at Jinshan Street at the intersection of Gymnasium Road and resume the original route. Gymnasium, Laoaoling and Taoyuan overpass were temporarily suspended and docked at Democratic Bridge. 123 takes the route from Beiqiao East and Zhenba Street to Taoyuan Road at the intersection of Shiwei Road and Shijing Street 105, and the terminal is temporarily changed to Taoyuan. Taoyuan Overpass, Laoaoling, Dandong Hotel, Red Army, Jinjiang Mountain Park, Yijing Street and Shiwei Road were temporarily suspended, and stopped at North Bridge East, Xingsan Road North, Qi Xing Road, Gymnasium and Taoyuan.