Weigh In Motion (WIM) solutions

Weigh In Motion systems from Kistler reliably detect overloaded trucks.

Traffic monitoring, weight enforcement and bridge protection made simple

Aging infrastructure, increasing traffic and overloaded vehicles pose a threat to our society and call for countermeasures to keep roads and bridges safe. Advanced Weigh In Motion (WIM) systems from Kistler enhance traffic safety, help to maintain road quality, and protect bridge infrastructure.

System integrators around the world choose Weigh In Motion solutions from Kistler as part of high-level traffic management systems. Thanks to their reliability and robustness, high degree of accuracy, and effortless integration, our solutions are used to safeguard and sustain roadways and structures of all kinds.

Kistler - the global market leader in WIM technology

We are the global market leader for Weigh In Motion systems, pioneering precise, reliable solutions that are trusted around the world. With decades of expertise, Kistler is raising the bar for real-time, accurate vehicle weight data for vehicles in motion while at the same time driving efficiency and innovation across industries.

100.000+ Lineas sensors

installed worldwide

30+ years of innovation

with unique quartz technology

50+ countries

where Kistler traffic solutions are present

Quartz crystal technology for the most challenging piezo dynamic force measurement applications

Innovation

The secret of the outstanding performance of our Weigh In Motion solutions: Kistler’s unique piezoelectric quartz technology combined with advanced sensor design. Up to 50 disk-shaped quartz crystals, no larger than a contact lens, are at the heart of every Lineas sensor.

Large bridges such as the Great Belt Bridge in Denmark benefit from Weigh In Motion solutions.

Stability

Lineas sensors have demonstrated their durability in paved roads worldwide, performing with precision under conditions ranging from the freezing winters of Northern Europe to the hot deserts of the Middle East. Designed for long-term reliability, they have a life expectancy of at least 10 years. Built on our pioneering expertise, Lineas sensors are virtually maintenance-free, even with extensive use, and often outlast the roads in which they are installed.

Weigh In Motion Systems deliver accurate weight measurements of all vehicle types at all speeds.

Accuracy

Thanks to their wide measuring range, Lineas sensors can accurately measure both light and heavy vehicles, maintaining high levels of accuracy across all vehicle types. From walking pace to racing speeds, our Weigh In Motion solutions ensure consistent results at all vehicle velocities.

Tailored Weigh In Motion systems in the KiTraffic series

Choose from a variety of KiTraffic packages, each designed to meet the specific requirements of different WIM applications ranging from traffic data collection to direct enforcement. KiTraffic Weigh In Motion systems come with piezoelectric quartz technology in the form of our Lineas sensors and electronics. KiTraffic Compact and KiTraffic Basic are made up of analog Lineas sensors and WIM Data Loggers. KiTraffic Digital, the certified solution for enforcement, consists of Lineas Digital sensors and industrial-grade electronics with Kistler software.

Exceptional reliability

KiTraffic solutions combine our unique Lineas quartz WIM sensors with proprietary electronics and software for the most accurate and reliable vehicle detection.

Seamless integration

Open data protocols for seamless transfer of vehicle data ensure effortless integration into higher-level systems.

Unmatched accuracy

Advanced software specifically developed for Lineas WIM sensors ensures the highest accuracy, from low to high speeds, meeting strict OIML accuracy standards.

User-friendly setup

A modern web-based interface allows for easy setup and calibration of all Weigh In Motions systems and sites.

Applications

Weigh In Motion solutions from Kistler are designed to cover a wide range of applications, including:

Weight enforcement references

The Brooklyn-Queens Expressway in New York is protected by Weigh In Motion from Kistler for direct weight enforcement.

Brooklyn Queens Expressway (US)

In New York city the Brooklyn-Queens Expressway (BQE) with a triple-cantilever design is facing tremendous challenges due to overloaded vehicles. Kistler's Weigh In Motion systems were deployed to help identify overloaded vehicles automatically. Recently Kistler’s WIM systems were certified and put into operation as the first automated citation system in the country and as a result overloading is diminishing. The collected data is also used to calculate the bridge's life span and to perform accurate traffic load analysis. “The collaboration with Kistler and C2SMART was key to bringing this first-in-the-nation automated direct enforcement system to life,” said Tanvi Pandya, P.E. DBIA, executive director, BQE Design Build & Emergency Contracts.

Data collection and research references

Erftstadt, A1 Highway (Germany)

The Institute of Highway Engineering at Germany’s RWTH Aachen University chose our KiTraffic Digital Weigh In Motion system for their pioneering “Digital Twin Road” research project. In 2023, 10 Lineas Digital sensors were integrated seamlessly into Germany’s busy A1 highway – with no need for special road preparation or repaving. A special sensor layout was designed exclusively for this project, highlighting our commitment to offering flexible layout options and meeting customers’ needs.

Bridge protection references

Weigh In Motion for bridges: El Carrizo (227 m), equipped with Kistler WIM, is the second highest bridge in North America.

El Carrizo Bridge (Mexico)

The El Carrizo highway bridge in Mexico, the second highest bridge in North America, faced a significant traffic accident in 2018, leading to its closure. To enhance its safety two Weigh In Motion (WIM) checkpoints were installed using Kistler technology. The WIM system, consisting of accurate Lineas WIM sensors, measures automatically axle loads and total vehicle weights of passing vehicles. The WIM solution provided by Kistler ensures optimal compliance with weight restrictions and improves the overall bridge safety.