When is it necessary to reduce your speed even when there are no posted speed limits?

Reducing speed in adverse weather conditions is essential for safety. Weather conditions such as rain, fog, snow, or ice can significantly impact road traction and visibility, making it more difficult to control the vehicle and increasing the stopping distance. Even if there are no posted speed limits, the law requires drivers to operate their vehicles at a speed that is safe for the current conditions. This principle emphasizes that a safe driving speed is not just about adhering to signs but also about assessing the environment you are in. Driving too fast for the conditions can lead to accidents, loss of control, and increased severity of crashes. Thus, adjusting your speed in response to adverse weather is a key aspect of responsible driving.