Radar Speed Signs: Selection and Usage:
Below are some general considerations to take into account when choosing a radar speed display sign. For always up to date requirements be sure to check out the MUTCD Requirements for Changeable Message Signs
- Display Height
- Streets with faster speed limits will need larger displays than slower streets. MUTCD specifies that a display height of 12" is appropriate for areas where the speed limit is under 45mph and a display height of at least 18" is required for streets with speed limits of 45 mph or great.
- Display Messaging
- Display messaging may not include any advertising, animation, rapid flashing, or other distracting elements. At higher speeds, a single phase message is strongly suggested.
- Radar Display Deployment
- Radar speed signs may be pole mounted, portable or use a dolly or trailer for deployment. Be sure to read the details for deployment. Some of the smaller dolly models are not appropriate for long-term outdoor use. Pole mounted and heavier trailer models will be more appropriate for faster streets and extended use.
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