CSN EN ISO 18750 This document: - describes the functionality of a "local dynamic map" (LDM) in the context of the "bounded secured managed domain" (BSMD); - specifies: - general characteristics of LDM Data Objects (LDM-DOs) that can be stored in an LDM, i.e. information on real objects such as vehicles, road works sections, slow traffic sections, special weather condition sections, which are as a minimum requirement location-referenced and time-referenced; - service access point functions providing interfaces in an ITS station (ITS-S) to access an LDM for: - secure add, update and delete access for ITS-S application processes; - secure read access (query) for ITS-S application processes; - secure notifications (upon subscription) to ITS-S application processes; - management access: - secure registration, de-registration and revocation of ITS-S application processes at LDM; - secure subscription and cancellation of subscriptions of ITS-S application processes; - procedures in an LDM considering: - means for maintaining the content and integrity of the data store; - mechanisms supporting several LDMs in a single ITS station unit. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.