Friction Measurement
Industry-standard systems for assessing skid resistance across network assets.
Products & Equipment
Engineered to deliver the world’s most trusted road condition data
W.D.M. Limited develops and manufactures specialist road survey equipment used by authorities, contractors, and research bodies around the world. Innovated in the UK, SCRIM® set the global standard for friction measurement, and remains one of many influential technologies developed in-house by WDM.
Our machines are engineered for accuracy, built for reliability, and supported by ongoing calibration, servicing, and technical expertise. With full control over hardware, electronics, and software, we ensure every system delivers the data your team needs to manage safety, maintenance, and performance with confidence.
Specialist systems designed for real-world decision-making
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Texture Measurement
High-precision texture data to inform surface treatment and maintenance strategy.
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Road Condition Monitoring
Integrated systems for capturing surface imagery and condition metrics at speed.
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Structure Assessment
Tools to assess pavement strength, load-bearing capacity, and cycleway condition.
Why WDM?
- Innovators of the SCRIM® machine and other pioneering technologies
- Equipment used by national agencies, private contractors, and global competitors
- In-house mechanical, electronic, and software engineering
- Integrated into WDM’s full-service survey and data workflows
- Built to comply with UK and international road standards
- Supported by technical services, training, and calibration
Insights + opinion
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Speak to a Product Specialist
Whether you’re upgrading existing equipment, expanding your fleet, or exploring a new data strategy, we can help.
Our engineers and technical specialists will guide you through the best-fit solutions for your needs, explain installation and maintenance requirements, and ensure your investment delivers long-term value.
