Time-varied accessibility and vulnerability analysis of integrated metro and high-speed rail systems

Intra-city metro rail systems together with the inter-city high-speed rail system can provide very punctual transportation services for those trips with origins and destinations both served by metro stations. The travel time by metro and the transfer time between metro and high-speed rail stations averagely accounts for 26.5% of the shortest travel time of a typical trip in China. This paper considers these two types of rail systems as a whole,...