Webinar: The Future of Mobile and Stationary Road Weather Data

  In this webinar, our experts discuss mobile and stationary RWIS – what’s possible today, what are the benefits for the future, and how to make the best out of the RWIS data from all sources.

Blog: Retrofitting Caltrans’ RWIS stations

Caltrans has replaced old road weather stations with new equipment from OTT HydroMet. This project shows how to efficiently retrofit RWIS stations while reusing existing infrastructure.

Maryland DOT relies on mobile sensing from Lufft

Maryland DOT uses mobile road weather sensors to improve both the quantity and quality of its data. This helps to make smarter decisions that increase safety and optimize operational winter maintenance efficiency.

Solution Overview: Critical Weather Device Controller

When you want to make sure that your roads are safe, you need the right data to make confident decisions on time. What if you could automate some of these decisions? Learn how to automate warnings based on reliable data.

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Podcast: Intelligent Road Weather Monitoring

 In this episode, our experts discuss modern RWIS systems. Tune in and learn how static and mobile road weather sensors complement one another – ideally within a smart software solution, that supports and relieves winter maintenance.
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Cities become smart through data- with LoRaWAN and sensors from Lufft

Herrenberg is a smart city using data to perform many of its tasks more efficiently than before. The intelligent winter road clearance service is based on sensors from Lufft.

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Road Weather Knowledge Center

Reliable Data. Confident Decisions. Safe Roads.


Keeping roads and highways safe is a highly responsible task. In addition to autumn’s and winter’s perils, the increase of weather fluctuations and extreme weather events throughout the year pose further challenges to road decision-makers. To guarantee safe traffic, accurate road weather information is more important than ever.
Ideally, a dense network of Road Weather Information Systems (RWIS) combined with mobile sensing enables you to monitor road weather conditions at the right spots and in real-time.

On this page, we gather well-grounded insights, relevant articles, and interesting conversations with RWIS experts. Whether you are new to the industry or an experienced road weather specialist – this Microlibrary surely holds valuable content for you.


Our customers from highway agencies and local authorities all over the world have experienced the safety and efficiency improvements that are achieved thanks to our systems. Contact us and learn how you can profit from:

  • One source for turnkey, state-of-the-art Road Weather Information and Flood Warning systems
  • Open interface protocols for easy integration into monitoring networks
  • Experienced Service and Support Team

Proven benefits

All About MARWIS

The first mobile road weather sensor that helps filling the data gaps
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Road & Runway Portfolio

MARWIS - Mobile Advanced Road Weather Information Sensor

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StaRWIS-UMB - Stationary Road Weather Information Sensor

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Non Invasive Road Sensor
NIRS31-UMB

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Compact Weather Sensors

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 Industrial PC - LCOM 

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Water Radar Level Sensor

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Intelligent Passive Road Sensor IRS31Pro-UMB

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Intelligent Active Road Sensor ARS31Pro-UMB

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Visibility Sensor VS20k-UMB

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The Whole World of Road Weather Monitoring

This road weather selection guide explains how Lufft solutions, proven and trusted around the world, can help you stay prepared during winter weather events. Find valuable insights about the whole range of OTT HydroMet systems and sensors, used technologies, and inspiring success stories all in one document.
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Compilation: Case Studies & Resources 

From Germany to the Venetian hinterland, from California to the Balkan’s hilly west: Every RWIS project holds its challenges. Based on our experience gathered in recent projects, we compiled a collection of case studies and resources. 
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