Value proposition

Colas is a leader in designing, constructing & maintaining UK highways, aviation & infrastructure.


Colas is a world leader in the construction and maintenance of transport infrastructure.

With a network spanning 50 countries and five continents, Colas constructs and maintains roads, highways, ports, logistics hubs and airport specialist surfacing. In the UK, Colas maintains Strategic Road Network projects on behalf of Highways England and many local authorities.

Our main areas of business are Asset Management, Contracting and Industrial, which comprise:

Asset Management
A full spectrum of planned and reactive maintenance services, working with key clients to provide service deliverables through long term contracts.

Traffic Technology
Colas has installed over 8000 message signs across the UK. Colas also manufactures signage systems and offers commissioning services.

Traffic Management
Our accredited national service designs and installs solutions for programmed maintenance, emergencies and events. Our TM team has spear-headed road worker safety campaigns including safety barriers and early warning system IPV vehicles.

High Capacity Mobile Plant
Our mobile asphalt plants are utilised for dedicated surfacing solutions. We have access to over 40 plants, each capable of producing up to 600t of Asphalt per hour.

Pavements & Surfacing
Colas offers traditional surfacing including Stone Mastic Asphalt (SMA) and Hot Rolled Asphalt (HRA) in addition to specialist and sustainable solutions.

Products and Materials
Colas provides aggregates, emulsions, asphalt mix and packed bitumen products, as well as a comprehensive range of quarry binders, surface dressing binders, bond coats and coated stone from our quarries around the UK.

Street Lighting
Our expertise in installation and maintenance helps improve energy efficiency and reduce running costs. We currently operate lighting contracts for major county and city councils, replacing sodium lanterns with highly efficient LEDs realising significant cost savings.

Highways maintenance, Products and materials, Surface treatments, Intelligent traffic systems, Aviation, Traffic technology, Construction projects, Traffic management, Vehicle mechanical services, Street Lighting, Asset Management, Contracting, and Industrial