Railway Infrastructure & Transit Systems
Engineering and quality assurance for high-speed rail, subways, and major rail projects including HS2. We handle the technical complexity where multiple systems have to work together perfectly.
Railway Projects Are Technically Complex
High-speed rail, subways, and major transit projects aren't like standard construction. You're not just building a structure—you're integrating track systems, signaling networks, power distribution, emergency systems, and operations protocols that all have to work together flawlessly. VSG has deep experience on major rail infrastructure projects including HS2, where we've coordinated design engineering, managed construction, and verified systems integration.
Railway infrastructure operates under European and international standards that don't give you much margin for error. High-speed rail requires precise track geometry to within millimeters. Signaling systems have to communicate reliably across hundreds of kilometers. Underground construction adds tunnel boring challenges and complex geotechnical engineering. Power distribution systems have to deliver consistent current to thousands of trains daily. We manage these technical integrations and verify everything performs to spec before passenger service begins.
Our railway expertise covers the full spectrum: design engineering for track and systems, construction management during tunnel boring and infrastructure installation, systems integration testing to verify signaling and power systems, compliance verification with European Technical Specifications for Interoperability (TSI), and independent quality assurance throughout. We work with major rail operators to ensure projects launch on schedule, systems work reliably, and passengers experience the safety and performance they expect.
- High-speed rail design and construction—we know how to build it right
- Tunnel boring and underground transit—complex geotechnical challenges managed
- Systems integration—track, signaling, power all working together
- HS2 project experience—major UK rail program background
- Quality assurance and verification for European rail standards



Comprehensive Railway Services
- High-Speed Rail Engineering & Design
- Tunnel Boring & Underground Construction
- Track Geometry Verification
- Station & Depot Design
- Signaling & Control Systems Integration
- Systems Commissioning & Testing
- Independent Verification Programs
- TSI & International Standards Compliance
Core Railway Capabilities
High-Speed Rail Design
Complete design and engineering for high-speed rail networks and systems
- Track design and geometry optimization
- Overhead catenary systems
- High-speed signaling and control systems
- Station complex design
Tunnel & Underground Construction
Specialized expertise in underground rail infrastructure and tunnel boring
- Tunnel boring machine (TBM) support
- Underground station construction
- Ventilation and emergency systems
- Geotechnical engineering
Systems Integration & Testing
Integration of track, signaling, power, and communications systems
- ETCS (European Train Control System)
- GSM-R radio systems
- Power supply integration
- Systems commissioning
Quality Assurance Programs
Rail-specific QA and compliance with international standards
- EN 13848 track geometry compliance
- Rail safety standards (TSI)
- Independent verification testing
- Geometric and alignment verification