Which behaviors contribute to chronic traffic congestion?

Chronic traffic congestion can often be attributed to specific driving behaviors that disrupt the flow of vehicles on the road. Rubbernecking, which refers to the act of slowing down to look at accidents or incidents on the road, can significantly contribute to congestion as it causes a bottleneck effect. When drivers divert their attention and reduce their speed to view something outside of their own travel, it creates a ripple effect that slows down all vehicles behind them. Tailgating, or following too closely to the vehicle in front, can also lead to abrupt braking and erratic speed changes, exacerbating traffic congestion. These two behaviors, when combined, can create a dangerous environment on the road that not only increases congestion but also raises the risk of accidents.

Other behaviors like honking, speeding, using mobile phones, or driving under the influence do not directly cause chronic congestion in the same way. While they may lead to unsafe situations or accidents, the specific combination of tailgating and rubbernecking stands out as a clear contributor to ongoing traffic jams and delays. Understanding these dynamics is crucial for addressing and alleviating congestion issues on busy roadways.