Exceptional transport for the department of the Ardèche layer of the sections

The Exceptional Transport Data Standard contains all the technical recommendations for describing the mapping of exceptional interdepartmental transport networks accompanied by all the requirements specified by the various managers and contracted by prefectural decrees, and in particular for the various crossings along these routes.

Standardised data mainly pursues the following complementary objectives:
* facilitate knowledge of exceptional transport networks,
* ensure consistency and continuity of routes at regional level;
* facilitate the exchange of data prior to the identification of exceptional transmission networks and operators, and associated general requirements
* facilitate the exchange of crossing data and associated special requirements
* harmonise data production at the regional level
* facilitate periodic updating of requirements