A radar trailer is a device that measures each approaching vehicle’s speed and displays it next to the legal speed limit in clear view of the driver. They can be easily placed on a street for a limited amount of time then relocated to another street, allowing a single device to be effective in many locations.
Advantages
- Portable
- Does not physically slow emergency vehicles or buses
- Quick implementation
Disadvantages
- Effectiveness may be temporary
- Drivers may divert to alternate streets due to uncertainty of devices implications
- Subject to vandalism