Civilian traffic that interferes with CA units.

[DmitriKozlowsky]

Civilian traffic that interferes or slows down movement of CA units. Civilian traffic drive through CA vehicles. 

[Callsign112]

Yeah at the moment there are no collision models for civilian traffic. I think this was simply added to make the map look more lively while viewing the map from the air, but it sort of does accentuate the current state of the ground war side of things.