- Cabinets
- Communications
- Conflict Monitors
- Controllers
- Dilemma Zone Protection
- GPS Time Clocks
- Inductive Loop Detectors
- LED Lighting
- LED Signs
- LED Traffic Signals
- Load Switches, Flashers & Power Supplies
- Mounting Hardware
- Pavement Markings & Equipment
- Pedestrian Crosswalk Signs
- Pedestrian Push Buttons & APS
- Radar Sensors
- RWIS
- Solar Beacons
- Surge Protection
- Test Equipment
- Traffic Calming
- Traffic Control Devices
- Traffic Data Management
- Traffic Signals & Backplates
- Traffic System Software
- UPS & Batteries
- Miscellaneous
RWIS - Road Weather Information System
High Sierra Electronics
Traffic Control professionals have long recognized that certain sign situations are more critically important than others. Some signs simply cannot be ignored. There has been a growing need in the industry for a simple and affordable way to retrofit existing signs with additional levels of warning for those situations that demand them - and to do this in a way that the additional alert system can be motion activated to conserve power and extend the life of the LEDs