Be careful when passing on narrow winding roads, since trucks tend to drift over the center divider. Whenever a turn is made off the highway, the vehicles will stop, line up, and wait until all have assembled. If you pass the group, turn around as soon as possible and rejoin the group. At some point the leader may decide to pull over for the vehicles to reassemble. This is up to the leader and depends on the availability of a wide area being seen in time to pull over safely.
Safety is of the first importance.
Visual Contact Naturally, drivers will pay attention to the car in front. Assist your driver in keeping the vehicle behind you in sight. The sweep vehicle will be the last in line and will wait with any stopped vehicle. Whenever a turn is made on a dirt road be sure that the vehicle behind you can see your turn. The leader will occasionally pull over to interpret the landscape and to be sure the group is together.