DIN CEN/TS 16157-4:2014 Intelligent transport systems - DATEX II data exchange specifications for traffic management and information - Part 4: Variable Message Sign (VMS) Publications; English version CEN/TS 16157-4:2014
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
2014DIN CEN/TS 16157-4:2014 Intelligent transport systems - DATEX II data exchange specifications for traffic management and information - Part 4: Variable Message Sign (VMS) Publications; English version CEN/TS 16157-4:2014