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Data model

Schematic linear description of the Ile-de-France rail network, highlighting Public Transport lines subsidized by Ile-de-France Mobilités.


The schematic line layout was created for use on the website and is updated each time a line, station, or station is opened/extended.


Lines are truncated between each station, and at intersections of several lines (forks). There is therefore one object for each section of commercial line between service stations. In the schematic representation, the objects are not supposed to overlap. However, the TER lines subsidized by Ile-de-France Mobilités, which are not represented on the paper and image versions, do exist in the GIS data; the objects describing them are superimposed on TRANSILIEN lines when the routes are common.

History of modifications


  • March 2018: re-alignment of the U line to improve inter-stop (linear) and station (spot) hook-ups.

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