What should a driver do when approaching a low clearance sign?

When a driver approaches a low clearance sign, checking the height of the vehicle before moving forward is essential for safety. Low clearance signs indicate that the overhead structure, such as a bridge or overpass, has a height limit that could make it unsafe or impossible for taller vehicles or loads to pass under.

By ensuring that the vehicle has an adequate height to clear the obstacle, the driver can avoid potential collisions that could result in significant damage to both the vehicle and the overhead structure. Understanding the vehicle’s dimensions is crucial, especially for larger vehicles like trucks or buses that may easily exceed standard height limits.

The other options do not promote safe driving practices in this scenario. Proceeding without concern ignores the potential risk, while driving at a higher speed poses additional dangers and does not address the height issue. Stopping immediately can lead to unintended consequences or create hazards for other drivers. Thus, assessing the vehicle’s height in relation to the low clearance sign is the most responsible action to take in this situation.