It is widely argued that providing travelers with door-to-door international multimodal journey planning services with real time alerting and on-trip re-planning capabilities constitutes a major need in the international travelers community. The table below presents the major journey planning needs not fully covered by the existing journey planning services.

 

Existing Services

Journey Planning Needs

§  Existing JPs are designed to provide data that can assist local, regional and national travellers.

§ Integrated itinerary planning taking into account international, national, and urban transport services

§ Planning international trips with return

§ Planning international trips with mandatory intermediate stops

§  Accessibility information of facilities in specific stations/terminals provided for special groups (e.g. disabled people)

§ Planning Itineraries customized to the international traveller profile (elderly, disabled, tourist, and business)

§  Real-time information and alerting services: only limited modes and in a very local area are covered with real-time data.

§ Be prepared for potential trip disruptions at the pre-trip phase of a journey

§ Deal with trip disruption at the en-route phase of a journey by getting re-planning options.

 

 

The WISETRIP project aimed at designing and implementing an international door-to-door journey planner. The Enhanced WISETRIP (E-WISETRIP) system aims to cover the above journey planning needs through enhancing the WISETRIP system functionalities in terms of: i) extending the modal and geographical coverage of the journey planning services, ii) providing information services customized to the travellers special travel needs (e.g., elderly), and iii) introducing dynamic trip re-planning and real-time alerting information services.

Based on the journey planning needs identified, a number of trip planning models has been identified. All models are defined on an international multimodal scheduled transportation network .

A group of models pertain to static pre-trip international journey planning aiming to determine alternative international multimodal itineraries taking into account the following criteria: travel time, number of transfers, cost, transfer time, and CO2 emissions which will be calculated on a per passenger basis by the E-WISETRIP CO2 calculator. These models are modelled as mutli-criteria time-dependent shortest paths problems on multimodal scheduled transportation networks.

Another group of models deal with the trip re-planning problem addressing a potential transport disruption affecting the initial plan of a trip. In particular, the international itinerary contingency planning model aims to create a back-up itinerary from the node where the potential disruption is associated with, up to the destination of trip. This type of problem is based on static information. The international dynamic itinerary re-planning model aims to fix the disrupted trip in real time by determining an alternative itinerary from the node where the traveller is currently standing or heading to, up to the destination of the trip. This type of problem uses updated transport information (schedules) based on real-time data. Both re-planning problems are modelled as time-dependent shortest path problems in a multimodal scheduled transportation network.

 

 

 

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