Our areas of expertise

Colas Rail is specialised in designing, installing and putting into service electrical installations such as EALE sub-stations, electrical distribution and powering auxiliaries.

Colas Rail designs control and communication systems to ensure traffic safety.

Colas Rail is the undisputed leader and specialist in high-speed lines in France and on international markets.

Colas Rail provides electro-mechanical safety systems: ventilation, smoke extraction, pumping, lighting emergency exits, mechanisation of escalators and lifts.

Colas Rail designs and builds low-voltage systems that transport Voice / Data / Image information via wired or wireless networks (radio, WI-FI, GSM…) and technical and audio-visual supervision systems for transport infrastructures.

Colas Rail designs and builds electrification systems (overhead lines, contact lines and third rail), meeting the most complex demands.

Colas Rail carries out comprehensive management services for railway infrastructures for private companies: multimodal platform management, upkeep, maintenance, railway operations, audits, and works.

Approved by EPSF (securite-ferroviaire.fr), CampusFER is Colas Rail’s training, evaluation and examining body. It offers a catalogue of some sixty training courses for everybody working in the railway sector.

Colas Rail offers rolling stock maintenance services for works and commercial trains for all companies in the sector.

Colas Rail brings together all the skills linked to the safety of work on the network, on closed lines and lines in operation: certification and safety warnings.

Colas Rail operates and maintains, as part of maintenance operations, different types of heavy railway machinery, either on its own or on behalf of its client.

Colas Rail conducts specific engineering work in tunnels (reinforcements, gauge adjustments, mining, etc.) and foundations.