Managing Editor

Colas SA
1, rue du Colonel Pierre Avia
75015 Paris, France

RCS Paris : 552 025 314
Phone : +33 1 47 61 75 00

Director of publication

Frédéric Gardès, Chief Executive Officer of Colas

Website design and development

Cap Collectif
25 rue Claude Tillier
75012 Paris, France
Phone: +33 1 86 95 95 59
Email adress: [email protected]


Provided par OVH
Sas OVH,
2 rue Kellermann
59100 Roubaix


Online publication is governed by the same legal framework as traditional publications. The reader is authorized to print all or part of the content posted on the website for personal use. Under no circumstances may the organizer be held responsible for direct and/or indirect damages resulting from the use of the website or any other website related thereto.

The user of the website agrees to comply with the rules of intellectual property pertaining to the various contents proposed on the website, specifically not to copy all or part of the website for use on another website or an in-house network. The user is the only person responsible for the use made of the information and data contained on this website. Anyone who violates these provisions shall be exposed to criminal and civil penalties as provided for by law. 

Any access to a reserved area by a user who does not have the proper access rights will be considered as fraudulent access within the definition of the French Penal Code.

Limitation of liability

This website allows users to post comments and interpolate third parties.  It is the user’s responsibility to disseminate this information with discernment and critical thinking. The organizer is not responsible for any of the information, opinions and recommendations made by third parties.

Photo credits

Portrait Eric Haentjens : © Colas - Franck Juéry 

Ref photo 169597 – Building a bypass on the island of Polacé in Croatia – Colas Croatia ©Colas – Igor Nobilo

Ref photo 112302 – Repaving for the Tour de France between Embrun and Chorges in the Hautes Alpes region in France – Colas Midi-Méditerranée – © Colas - Hervé Fabr

Ref photo 167925 –Employees on a construction site at the Béghin army training hospital in Saint-Mandé, France – Colas Ile de France Normandie – ©Colas - Joachim Bertrand

Ref photo 154065 – Repaving with surface dressing in Macedon Regional Park in Australia– Primal Surfacing – © Colas – Grant Turner

Ref photo 173267 – Upgrading Route RD 222 between Langon and Roaillan in Gironde, France – Colas Sud-Ouest – © Colas - Pascal Calmettes

Ref photo 136584 – Building infrastructure of tramway B in Grenoble in Isère, France – Colas Rhône Alpes Auvergne – © Colas – Christian Pédrotti