Analysis of Bus Line Operation Reliability Based on Copula Function

To promote the development level of urban sustainability, more and cities have been paying attention to improvement public transportation. City managers intend attract people from private cars transport by improving service transport. The operational reliability bus lines plays a crucial role in maintaining high-level Previous studies focused on whole line investigating overall stability departure punctuality, running time, punctuality. This study aims clarify relationship between sites terms influence lines. proposes route evaluation method, based copulas connect function, actual data are taken as case study. results show that method reveals interstation paths context reliability. finds path, which is critical line. can provide good reference for diagnosis operation optimization routes. support sustainable