What do SMDs typically display after measuring speed?

What do SMDs typically display after measuring speed?

• A. The driver's license plate number
• B. The speed reading and possibly recorded output
• C. The time of day the reading was taken
• D. The weather conditions during measurement

Answer: (B)

Speed Measurement Devices (SMDs) are designed primarily to measure and display the speed of a moving vehicle, often in real-time. When an SMD measures the speed, it typically presents this information visually on the device, indicating the vehicle's speed at the moment of measurement. Many advanced SMDs also have the capability to store or log this information for later review, which can include serving as recorded output for enforcement or analysis purposes.

The focus of these devices is on speed metrics rather than other contextual data such as a driver's license plate, time of day, or weather conditions, which are not standard outputs for speed measurement functionalities. While these other data points can be relevant in certain contexts, they do not serve the primary purpose of SMDs, which is to accurately capture and display speed readings.