Source: DDR - Traffic Statuses

Traffic statuses, provided by NDIC for the whole Czechia, pushed on occurrence, in a DDR format for common traffic information.

General Parameters

Parameter Value
uri x-source:cz-ndic_ddr-levels
provider NDIC
status production 1, publication start: 2010-01-01
licence 2 Contract and Free of charge
subscription process Traffic Data Free Subscription


Parameter 2 Value
resource type data set
category Real-time traffic data
detailed type  Traffic volume
data set language cs
Parameter Value
related data sources TMC Location Table v9.0; uri:x-source:cz-ndic_tmc-location-table-v9.0


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 DDR - Common Traffic Information and Traffic Statuses, uri:x-format:cz-ndic_ddr-common-v3.2.5
protocol HTTP PUSH on Change occurrence, uri:x-protocol:cz-ndic_push-v1.1

Quality information

Parameter 2 Value
update frequency Up to 10 min
quality assesment internal control mechanism and cross validation

  1. From 12/2021 change of TMC location table to 9.0, from 1/2022 backwards compatible enhancement of delivery protocol. 

  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).