The radar is placed right above the lane, and the detection direction is aligned with...

The correct answer is B. FALSE . The installation guidance in the material does confirm that radar is used in “highway scenarios and accurate speed estimation scenarios” and includes alignment steps such as “Adjust the bubble level. When the bubble is in the center, the radar is horizontal” . However, the statement is too absolute because it says the radar is placed right above the lane , which is not a general rule for radar deployment.

In real highway and checkpoint engineering, radar installation depends on the capture model, lane layout, pole position, and the coordination between radar and camera fields of view. The key requirement is that the detection area be aligned correctly with the intended capture zone, not that the radar must always be mounted directly above the lane center. Many practical deployments use side-mounted or offset positions on poles or beams so the radar can still cover the target lane accurately while matching the camera’s observation geometry. Since the essential requirement is proper alignment with the capture area rather than mandatory overhead placement, the statement as written is inaccurate.