Final answer:
Traffic backlogs caused by gawking are a major cause of traffic congestion, which is a significant issue in urban centers.
Step-by-step explanation:
Traffic backlogs caused by gawking are a major cause of traffic congestion. Traffic congestion refers to a situation where a large number of vehicles are present on the road, leading to slow speeds, delays, and longer commutes.
This is a significant issue in urban centers around the world, including Washington D.C., India, and Los Angeles.