The event, which closes on April 10, has pooled 413 exhibitors from Croatia and 23 other countries, and has been staged on 26,000 square metres of exhibition grounds.
The fair was opened by the chairman of the parliamentary committee on maritime affairs, transport and communications, Radimir Cacic, who underlined the importance of continuing to build the transport infrastructure.
The state secretary for transport, Drazen Breglec, said transport accounted for 6.9 per cent of Croatia's GDP.