
AtkinsRéalis is a global leader in design, engineering, and project management, with 39,000+ employees in over 160 countries. Since 1911, we’ve delivered end-to-end solutions across transportation, energy, and infrastructure, leveraging advanced technology to create sustainable, resilient systems worldwide.
Rail and transit account for ~30% of our global business, supported by a dedicated Rail & Transit Group of 5,000+ experts. We cover the full lifecycle—from planning and design to construction, operations, and maintenance—with deep expertise in rail systems engineering, including signaling, traction power, electrification, communications, and catenary systems.
As a trusted partner for high-speed rail and mega-projects, we provide program management, engineering and systems design, delivery, procurement, and O&M. Our experience includes:
High Speed 2 (HS2), the UK’s first high-speed north-south railway. AtkinsRéalis developed technical standards, supported procurement, and led oversight for systems, civils, and stations, plus strategies for testing and commissioning.
High Speed 1 (HS1), the UK’s first modern high-speed railway. AtkinsRéalis provided systems engineering and integration support of the Channel Tunnel Rail Link, as well as design and assurance for signaling, electrocution, and traction power systems.
Other notable major rail projects include:
- Taiwan High-Speed Rail (THSR)
- Maryland Purple Line LRT DBOM (Design) – Maryland
- High-Frequency / High-Speed Rail Program P3 (Canada)
- Réseau Express Métropolitain (REM) – Montréal, Canada
- Edmonton Valley Line LRT – Edmonton, Canada
- LACMTA Purple (D) Line Extension – Los Angeles, CA
- LACMTA Crenshaw/LAX (K Line) – Los Angeles, CA
- LACMTA, East San Fernando Valley Light Rail Transit Project (B4 Traction Power) – Los Angeles, CA
- Brightline Florida – Miami to Orlando, FL
- Texas High-Speed Rail (TX HSR) – Dallas to Houston, TX


