Highways, Tunnels & Transportation Infrastructure
Advanced engineering and quality assurance for highway construction, tunnel boring, bridge systems, and major transportation infrastructure projects connecting communities and regions.
Roads, Tunnels & Getting Around
Highway and tunnel projects connect people and economies. They're also incredibly complex—you're coordinating multiple teams, managing traffic during construction, boring through uncertain geology, and building systems that will serve millions of vehicles over decades. VSG has managed major highway expansions, tunnel boring operations, bridge construction, and pavement programs. We coordinate the technical challenges so you get a completed highway system that's safe, durable, and ready for traffic.
Modern highway projects face unique challenges: maintaining traffic flow while construction happens around it, boring through changing rock and soil conditions, designing bridges that span long distances with precision, managing pavement quality for millions of vehicles, and coordinating with traffic authorities to maintain operations. We've managed tunnel boring machines through difficult geology, verified bridge structures under their design loads, implemented comprehensive pavement testing programs, and delivered completed highways ready for operation.
Our highway expertise spans planning and design, tunnel support engineering, bridge verification, pavement material testing, and independent verification programs. We work with traffic authorities, manage construction-phase traffic control, verify compliance with road standards, and ensure completed highways deliver safe, durable transportation solutions for decades of service.
- Highway design and construction management
- Tunnel boring through challenging ground
- Bridge design and structural verification
- Pavement testing and quality control
- Independent inspection and verification
Comprehensive Highway Services
- Highway Design & Optimization
- Tunnel Boring & Underground Construction
- Bridge Design & Verification
- Intersection & Interchange Design
- Pavement Design & Material Testing
- Traffic Management Systems
- Independent Verification Programs
- Construction Quality Assurance
Highway Standards & Design Criteria
AASHTO Standards
American Association of State Highway Officials standards governing highway geometric design, pavement design, and construction standards.
- • Green Book design standards
- • Pavement design procedures
- • Traffic control standards
- • Bridge design specifications
European Standards (EN)
European Norm standards for highway infrastructure, pavement construction, and transportation systems across European networks.
- • EN 13108 pavement standards
- • TEN-T corridor requirements
- • ITS Directive compliance
- • Safety standards (ROSCO)
Tunnel Standards
Specialized standards for underground structures including TBM operations, ground support systems, and tunnel safety requirements.
- • EN 1994 Eurocode standards
- • Underground space utilization
- • Emergency egress design
- • Geotechnical protocols
Advanced Transportation Engineering Services
Modern highway projects demand specialized expertise across multiple engineering disciplines to ensure safety, durability, and efficient operations:
Pavement Engineering
- • Flexible and rigid pavement design
- • Material testing and optimization
- • Asphalt binder and aggregate analysis
- • Pavement performance evaluation
- • Drainage system design
Geotechnical & TBM Support
- • Ground investigation and analysis
- • TBM support and optimization
- • Ground support system design
- • Tunnel lining verification
- • Settlement monitoring
Bridge & Structure Engineering
- • Bridge concept and design
- • Long-span structure optimization
- • Foundation engineering
- • Structural testing & verification
- • Seismic design considerations
Traffic & Safety Systems
- • Traffic management systems
- • Intelligent transportation systems
- • Safety barrier design
- • Lighting and signage optimization
- • Emergency response infrastructure
Core Highway Capabilities
Highway Design & Construction
Complete highway design, construction management, and quality assurance
- Motorway and major road design
- Traffic management systems
- Intersection and interchange design
- Pavement design and optimization
Tunnel Boring & Underground
Specialized tunnel boring, excavation, and underground infrastructure
- Tunnel boring machine (TBM) support
- Underground emergency systems
- Ventilation and drainage design
- Geotechnical engineering
Bridge & Structure Engineering
Bridge design, verification, and long-span structure engineering
- Cable-stayed and suspension bridge design
- Foundation engineering
- Structural analysis and verification
- Load testing and inspection
Pavement & Materials
Asphalt and concrete pavement design and quality control
- Asphalt mix design and testing
- Concrete pavement specifications
- Aggregate testing and verification
- Material compliance verification