D5 Annex report WP 7: ETISDatabase methodology ... - ETIS plus

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D5 Annex WP 7: ETIS DATABASE METHODOLOGY AND DATABASE USER MANUAL – PASSENGER TRANSPORT SUPPLY Method variable V14 r flight routing, consisting of k, none to two m and l EUROCONTROL, OAG network model air Remarks concerning method variable computation Flight time (F kl ) is preferably to be calculated in a network model air using EUROCONTROL flight data, as flight times from software, which is distributed commercially (like OAG, Hafas), does not take in account any charter services (e. g. to holiday destinations, but just information of scheduled services. The route choice model handling air transport should not just focus on shortest path, as – increasing with the travel distance – the number of possible routings a traveller can choose rises significantly and other attributes of air travel like frequency and price severely influence the consumers choice. E . g. A business traveller would hardly opt for a nonstop tourist flight offering the shortest travel time , due to starting from an airport very close to the travel of the travellers origin of travel, if such a flight is offered just once a week. On the other hand a nonbusiness traveller might prefer such a flight, instead of using a transfer connection, which is offered three times per day but a significant higher tariff. 64 R20040089.doc 27 May 2004
D5 Annex WP 7: ETIS DATABASE METHODOLOGY AND DATABASE USER MANUAL – PASSENGER TRANSPORT SUPPLY Ref. 3.6.2 Definition ETISBASE Glossary Computation Method (Formula) Passenger travel costs air Total travel costs between two regions when using air transport as the main mode P ij = SS pij *(SQ rpij *( C pik + FC kl + C plj )) [€] Variable definition Variable computation method Directly from a database or agreed classifications/nomenclatures Output of the model Method variable V1 S pij share of travellers by air of trip purpose p between i and j Method variable V2 Q rpij probability of using route r between i and j when travelling in trip purpose p Method variable V3 C pik Access/egress costs from i to k when travelling in trip purpose p [€] WP 4 Trip generation/distribution model and modal split model Route choice model network model rail , network model road, modal split model access/egress R20040089.doc 27 May 2004 65
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