How does driver ego exacerbate traffic jams during monsoon seasons?

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Driver Ego Worsens Traffic Congestion, Especially During Rainy Periods

Driver ego significantly exacerbates traffic jams, particularly during monsoon seasons. This behaviour manifests as a refusal to allow other vehicles to merge, creating a "battle of car bumpers" that intensifies bottlenecks and transforms roads into parking lots. This competitive approach, where drivers prioritise preventing others from gaining an advantage over facilitating smoother traffic flow, represents a detrimental application of automobile game theory.
The Psychology of Lane Merging and Traffic Flow

The phenomenon of drivers refusing to yield to merging vehicles is a common cause of traffic congestion. Instead of one driver allowing another to merge, a "battle of car bumpers" can ensue. This competitive dynamic, driven by ego, means that instead of a momentary gap for a merging car, the situation can escalate, holding up traffic behind both vehicles and compounding the existing bottleneck.
Automobile Game Theory in Practice

The article describes the refusal to yield as the "worst version of automobile game theory." In game theory, players make decisions based on anticipated actions of others. In this context, drivers often make the suboptimal choice of preventing another car from merging, even if it means prolonging their own delay and contributing to a larger traffic jam. This behaviour is observed frequently in urban traffic, especially in Kuala Lumpur.
Monsoon Season Amplifies Congestion

The impact of driver ego on traffic is amplified during monsoon seasons due to increased rainfall. Heavy or continuous rain slows down traffic naturally, reducing road capacity and increasing the likelihood of congestion. When combined with the ego-driven behaviour of drivers refusing to let others merge, these existing traffic jams become significantly worse, leading to extensive delays and roads resembling "open parking lots."

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How does driver ego exacerbate traffic jams during monsoon seasons?

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