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Road Weather Applications

Vaisala Roads products do one simple thing – solve problems in transportation. The applications of these products can be used for just about any transportation problem you may need to resolve. Vaisala works actively with our customers to enhance their current systems or provide solutions that push the boundaries – all with quality, reliable products, systems and services – with complete solutions that meet your needs.


Winter Road Conditions

Winter Road Conditions

Road weather stations were created for the detection and monitoring of road surface conditions during winter weather.  Road temperature is the most common variable because it determines if water or snow will freeze to the surface.  However, other road conditions such as the presence of water, ice or snow quickly followed.  This information is primarily used as a backbone for a winter road maintenance operations to provide critical information for decision making.


Mobile Weather

Mobile Weather

For thirty years road weather conditions were primarily collected from fixed weather stations on the side of the roadway. With the advent of inexpensive mobile cellular data, the collection and transmission of road weather data from a moving vehicle became possible. Mobile road conditions have a very different application than fixed data, as the accuracy is potentially less, and the data is collected only periodically at a given location.


Low Visibility Detection and Alerting

Low Visibility Detection and Alerting

Visibility is an important and dangerous road condition that can cause drastic and sudden impacts to the road network.  Extremely low visibility can be caused by fog, snow, sand, or smoke and all can occur very quickly and with little warning.  Road weather technology typically offers the best application when used to alert the driver locally as soon as conditions are detected. 


Flooding and High Water

Flooding and High Water

Many times road weather stations are located in close proximity to bridges that cross streams and rivers. This is typically because in most areas of the world bridges freeze before surrounding areas either because of the elevated bridge surface or due to the fact that the river is at the bottom of a valley where cold air first collects. However when looking for ways to increase your return on investment these same areas may be prone to flooding and high water, all of which road weather stations can monitor and alert you.


High Winds

High Winds

Strong winds are typically an unseen danger on the road network, as high profile vehicles are most impacted during high wind events. Road weather stations typically monitor wind conditions either mechanically or ultrasonically.  This data can be relayed to decision makers so that high profile travel advisories can be issued to avoid further disruption of the roadway. This provides yet another non-winter return on investment of your road weather network.


Sand Storms

Sand Storms

Sand storms are a unique weather event in that they can be caused by many different atmospheric weather conditions, many not visible in the form of clouds.  For proper detection of the onset of a stand storm proper wind measurements are critical along with present weather sensors that can monitor surface visibility.