Source: DATEX II - Variable Message Signs (predefined locations)

Predefined location and configuration of Variable Message Signs, used to reference actual status of VMS, for the whole Czechia, provided by NDIC for download at users request, in a DATEX II format.

Data source describes the basic characteristics of the traffic sign/portal including the configuration of the display area (portal), position and validity relative to the lane.

General Parameters

Parameter Value
uri x-source:cz-ndic_d2-vms-table
provider NDIC
status test run 1, publication start: 2022-02-16
licence 2 Contract and Free of charge
subscription process Traffic Data Free Subscription


Parameter 2 Value
resource type data set
category Dynamic traffic signs and regulations
detailed type 
data set language cs


Parameter 2 Value
area CZ0
network Motorways Arterial road network Regional roads Urban and local roads
transport modes car truck motorcycle bus

Access, used formats and protocols

Parameter Value
access / API
note Data portal od RSD for data subscription to a specific data sources.
status in operation (from 2021/07/01)

Formats and Protocols

Parameter Value
format DATEX II VMS Table Publication – Variable Message Signs, uri:x-format:cz-ndic_d2-vms-table-v1.0
protocol HTTP PULL Upon Request, uri:x-protocol:cz-ndic_pull-v1.1

Quality information

Parameter 2 Value
update frequency Up to every 6month
quality assesment internal control mechanism and cross validation
related EC Regulations and conformance docs rtti srti sstp

  1. From 02/2022 in a test mode, from 06/2022 in production mode. 

  2. Classification corresponds to the Coordinated Metadata Catalogue CMC as defined by the EU-EIP project. 

  3. Extended profile specifies source content (in detail) with the focus on reusable patterns (profile choices), that are described in a methodology here (czech only).