All commercial vehicles wider than what measurement must carry approved warning devices?

Commercial vehicles that are wider than 2.3 meters must carry approved warning devices to ensure safety on the road. This regulation is in place because wider vehicles can pose a greater hazard to other road users, particularly in situations where the vehicle might be near the edge of a lane or in areas with reduced space. The presence of warning devices, such as flags or flashing lights, helps alert other drivers to the larger vehicle's dimensions, enabling them to make safer driving decisions around it.

The specific width of 2.3 meters is significant because it marks a threshold where the risk of accidents or close encounters with other vehicles increases. By requiring warning devices for vehicles exceeding this width, authorities aim to minimize collisions and enhance overall road safety for both commercial drivers and other motorists.