What should a driver do when they see a "narrow bridge" sign?

When a driver sees a "narrow bridge" sign, the appropriate action is to slow down and use caution. This sign alerts drivers that the bridge ahead is narrower than the roadway and that they may need to adjust their speed to safely navigate through the area.

Slowing down allows the driver to better assess the road conditions and ensure that there is enough space to cross without risk of collision with oncoming traffic or obstacles. Caution is essential since narrow bridges can require careful maneuvering, particularly if two vehicles encounter each other on the bridge. Maintaining a slower speed also provides more time to react to any unexpected situations, such as another vehicle traveling at a high speed towards the bridge, or pedestrians who might be near the area.

In contrast, speeding up might lead to a loss of control or an inability to safely navigate the bridge. Maintaining the current speed could be risky if it’s too fast for the narrow conditions. Turning around may not be feasible or practical, especially if the bridge is necessary for continued travel or if there are no safe alternatives readily available. Thus, the best practice is to slow down and proceed with caution to ensure the safety of everyone involved.