On the radar.

The article focuses on the factors to consider in setting a radar speed signs. It mentions that one should ensure that the radar speed display complies with the Federal Highway Administration's Manual on Uniform Traffic Control Devices (MUTCD) if one wants to apply a grant for its purchase. It notes that the sign should be designed to gain attention, command respect, and convey clear message. It notes the importance of considering power source and scheduling and remote programming capabilities.