commuter traffic(n = noun.group) - traffic created by people going to or returning from work;
is a kind of traffic
air traffic, automobile traffic, bicycle traffic, bus traffic, car traffic, commuter, commuter train, drug traffic, foot traffic, narcotics traffic, pedestrian traffic, slave traffic, traffic, traffic circle, traffic control, traffic cop, traffic court, traffic island, traffic jam, traffic lane, traffic light, traffic mile, traffic pattern, traffic signal, traffic with, truck traffic, vehicle traffic, vehicular traffic