Discover Colas, an international player in transport infrastructure. Design, construction, and maintenance of roads, railways, and urban networks.

Backed by the global strength of the Colas Group, we provide our local business networks across the U.S. with the resources, tools, and guidance they need to deliver high-quality infrastructure …

We are part of the global COLAS Group, which seeks to constantly move the construction industry forward thanks to the benefits of automation, digitalisation, sustainability and environmentally friendly …

Colas Group is a major French civil engineering firm specialising in road construction and rail track construction through its Colas Rail subsidiary. Since the 1990s, the group has incorporated the …

The name Colas was derived from the abbreviated form of Cold Asphalt. Colas was created to rise to a new challenge: exploiting the bitumen emulsion patent, which revolutionized road techniques.

Colas UK Infrastructure Contractor: We design, construct and maintain highway, aviation and defence infrastructure projects across the UK and Internationally.

Colas is a Canadian leader in transportation infrastructure - materials, construction, and maintenance. From roads to rail, airports to ports, we build some of the most important projects that connect our …