(RWIS) Roadway Weather Information Systems:

Approach Navigation Systems Inc. has installed and maintains a network of approximately one hundred (100) Road Weather Information Systems across Canada and has accumulated widespread knowledge of various communication systems. These stations provide real time weather and pavement conditions to government agencies tasked with maintaining safe highways.

Road weather information systems (RWIS) provide detailed roadside weather conditions and road surface temperature data. A complete RWIS combines the roadside readings with standard meteorological data to provide precision road weather forecasts and pavement condition predictions.

The most visible RWIS component is the roadside ESS. The typical ESS installation includes a short tower, mounting an array of meteorological sensors coupled with a selection of road surface sensors. Processors collect and analyze sensor data transmitting the information to a CPU or server. The CPU compiles data from all remote sites to provide road managers with a picture of actual weather and road conditions on an entire highway network.

Illuminator

Illuminators provide class leading performance, long life and zero maintenance. They incorporate the very latest surface mount LED’s to deliver excellent night-time pictures with improved optical output and outstanding reliability.

Road Surface State Sensor  Guardian

Road Surface State Sensor is a non-invasive Road Weather Information System (RWIS) also known as a Remote Road Surface Sensor. One of the main attractions of the Guardian is the unique ability of its sensors to report on road friction or grip. Grip is an excellent metric to gauge safety of roads and proactively determine the need for and effectiveness of your winter maintenance actions.

Conventional RWIS systems require traffic or lane closures and slot-cutting the surface of the road. The Guardian features a simple, “do it yourself” installation, ease of use and virtually maintenance-free operation without the hassle of an in-pavement sensor. Installation can be as simple as strapping it onto existing structures such as lighting poles, traffic signals and buildings. Once mounted, hook up the power and flip the switch to begin transmitting data.

View Road Surface State Sensor Guardian Brochure

View Road Surface State brochure

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