In a traffic jam when drivers can't get where they are going on time or at the expected speed of travel this is referred to as

There exist the same question that has the following choices
A. RestrictionB. DistractionC. RegulationD. Obstruction
The correct answer is letter D. Obstruction. In a traffic jam when drivers can't get where they are going on time or at the expected speed of travel, this is referred to as obstruction

Explanation:
Something that blocks a road, passage, entrance, etc. so nothing will go on it, or the act of block one thing during this way:
Most jurisdictions take into account the obstruction of traffic a criminality and have developed rules to prosecute those that block, obstruct, impede, or otherwise interfere with the conventional flow of transport or foot traffic upon a public street or main road.