Regarding transportation network Analysis between two cites (Road and Rail), what important parameters I need to keep in mind in regard of planning to increase the connection and connectivity, reduce time to travel and decrease the separation effects from Transportation.
It's important to not only analyze the travel times, but also its reliability.
Dear colleague,
The main parameters when you compare type of transport are operating costs, infrastructure paramters, type of rolling stoks, reliability and security. You can see also in my profile the papers about intermodal transport and classifing railway station - they may be useful in selecting assessment parameters.
Maybe you should take in consideration population characteristics of the analyzed area, because accessibility as a parameter is not the same for different population group.
other factors are waiting time, type of train, number of stations in network and so on. I have written a paper related to route planning and optimization. you may find out more about the factors and the variables used in the paper that I have published in plosone
In addition, it would be relevant to consider how the intermediate nodes (cities/ urban areas) are connected, (1) by a spur or (2) directly passing the route through them. And, in the case of a rail option, the number of stations, inter station distance and the location of terminals in the terminating nodes. The concept of directional terminals, central terminal and distributed terminals was considered while planning the Delhi-Alwar Regional Rapid Transit Systems (RRTS) in Delhi area. The following link to the concept and the RRTS project in wikipedia.
The concept:
http://varadarajgidugu.blogspot.in/2015/02/high-speed-rail-terminals-in-hub-concept.html
Delhi-Alwar RRTS Project: https://en.wikipedia.org/wiki/Delhi%E2%80%93Alwar_Regional_Rapid_Transit_System
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