When traffic is backed up at a light, it is crucial to avoid obstructing intersections when the light turns red. This practice ensures that vehicles can move through the intersection smoothly when the light turns green, maintaining an orderly flow of traffic and preventing gridlock. Blocking an intersection can create significant delays not only for yourself but also for others trying to navigate through.
In some places, there are also legal implications for blocking intersections, as it can lead to traffic citations. Moreover, it can endanger both pedestrians and other drivers by preventing safe passage across the road. By ensuring you do not block intersections, you help facilitate better traffic conditions for everyone on the road.
Turning off your engine might not be practical in traffic situations where the light changes frequently, and sitting patiently is necessary but does not address the issue of keeping intersections clear. Changing lanes frequently may lead to erratic and unsafe driving behavior, increasing the risk of accidents without improving your situation in traffic.