Intelligent Highway Devices
Highway Advisory Radios (HAR)Vaisala HIS Highway Advisory Radio HAR100 is a stationary HAR system that utilizes AM radio frequencies to broadcast messages to motorists. Informing drivers before they encounter delays and add to traffic congestion. |
![]() Road Weather Information SystemsFor more than Thirty years Vaisala has been designing and advancing road weather systems. Road Weather Information Systems or RWIS are the heart of any winter maintenance strategy and provide real time road weather conditions vital to decision makers.
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![]() RWIS Pavement SensorsThe key to any RWIS is the ability for sensors in or above the pavement to accurately determine road conditions. Pavement sensors can be embedded in the pavement or mounted non-intrusively to the side, or above, the road surface. These sensors allow the decision maker to read key parameters, such as pavement temperature, pavement conditions, amount of chemical and surface friction or grip.
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![]() Freeze Free, Anti- Icing Systems
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Traffic CountersThe NC200 permanent traffic analyzer, the sensing component of QTT's Permanent Count Station (PCS), provides accurate and essential data necessary for effective traffic analysis, control and management. With the Wireless Data Management (WDM) software, historical data can be presented in the form of reports, charts and graphs from the convenience of your office. |
Traffic MonitoringBluFax realtime, permanent mounted units are based on Traffax's industry proven low-power, embedded Bluetooth detection sensors. This allows flexible installation using either solar or existing power sources and either celluar or existing data links. | |
![]() Portable Message Signs
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