DIN EN 16157-4:2019 Intelligent transport systems - DATEX II data exchange specifications for traffic management and information - Part 4: VMS publication; English version EN 16157-4:2019
2021DIN EN 16157-4:2021 Intelligent transport systems - DATEX II data exchange specifications for traffic management and information - Part 4: VMS publication; English version EN 16157-4:2021
2019DIN EN 16157-4:2019 Intelligent transport systems - DATEX II data exchange specifications for traffic management and information - Part 4: VMS publication; English version EN 16157-4:2019