Lo stesso giorno, il protocollo sarà firmato da altre organizzazioni, ovvero da Agoria, ATX, Belgian Automobile Club Touring, DEKRA, Electronics Solutions, European Transport Safety Council (Consiglio europeo per la sicurezza dei trasporti, ETSC), EUROSMART, GMV, ITS Belgium, National Company of Motorways and National Roads from Romania (Società strade e autostrade nazionali rumene), OctoTelematics, Romanian-American University, Special Telecommunications Service (STS) e UTI Systems.
Die Absichtserklärung wird am 4. Mai ferner von weiteren Organisationen unterzeichnet: Agoria, ATX, Belgischer Automobilclub Touring, DEKRA, Electronics Solutions, Europäischer Rat für Verkehrssicherheit (ETSC), EUROSMART, GMV, ITS Belgium, Staatliche Gesellschaft für Autobahnen und Staatsstraßen Rumäniens, OctoTelematics, Romanian-American University, Special Telecommunications Service (STS), UTI Systems.