What does "clear sight distance" help prevent on highways?

Clear sight distance is a crucial factor in highway safety, as it directly relates to a driver's ability to see far enough ahead on the road to identify potential hazards and make informed decisions. The concept of clear sight distance encompasses the space required for drivers to see obstacles, other vehicles, stop signs, and changes in road conditions in order to take appropriate action.

When clear sight distances are insufficient, drivers may encounter situations where they cannot react in time to prevent a collision or avoid obstacles. This limitation in visibility can lead to accidents caused by sudden stops or unforeseen obstructions, as drivers may not have adequate warning to slow down or maneuver safely. Thus, maintaining adequate clear sight distances on highways is essential to enhance road safety and minimize the risk of accidents resulting from limited visibility.

The other factors listed, while they may contribute to roadway safety and driver experience, do not directly relate to the primary function of clear sight distance. Road rage incidents and excessive speeding involve driver behavior rather than visibility, and vehicle breakdowns are not influenced by sight distance in the same way that visibility affects accident prevention.