[Lorenc_]

pawn Код:

stock RandomRoute()
{
    switch(random(3))
    {
        case 0: return DriverRoute3[random(sizeof(DriverRoute3))][3];
        case 1: return DriverRoute4[random(sizeof(DriverRoute4))][3];
        case 2: return DriverRoute5[random(sizeof(DriverRoute5))][3];
    }
    return -1;
}

This?
Untested...