International Road Federation (IRF)

European Union Road Federation (ERF)

World Road Association (PIARC)

FEHRL: National Road Research Centres In Partnership

International Road Transport Union (IRU)

Confederation of Organisations in Road Transport Enforcement (CORTE)

European Federation for Transport and Environment (T&E)

International Bridge, Tunnel and Turnpike Association (IBTTA)

United Nations Economic Commission for Europe (UNECE) - Transport Division

Portal geo Srbija 


ITS International

Respectable magazines "ITS" and "Worldhighways" published text about PE "Roads of Serbia" and new toll collect system in Serbia in December 2005.