“…According to the characteristics of the MCT gate system and the findings of several studies on waiting time issues at freight terminals, (Noritake and Kimura, 1983;Noritake, 1985;Kozan, 1997aKozan, , 1997bKozan, , 2000Taniguchi et al, 1999;Yamade et al, 2003;Dragovic et al, 2006) two multi-server models can be used. If truck inter-arrival times and service times follow an exponential distribution, the M/M/S model is applicable, given in equation (1).…”