How can environmental conditions affect speed measurements?

Environmental conditions can significantly influence the accuracy of speed readings. Factors such as weather (rain, fog, snow), lighting conditions, temperature variations, and even geographic features can interfere with the functioning of speed measurement devices. For instance, rain or fog can distort radar signals, leading to inaccurate speed readings, while extreme temperatures can affect the electronics in speed detection systems.

Understanding this impact is crucial because accurate speed measurement is essential for enforcement and safety on the roads. By recognizing that environmental conditions can alter these readings, law enforcement officers can take necessary precautions or deploy additional verification methods to ensure accuracy when making speed assessments.