Roads and Transport Infrastructure
Tetra Tech delivers innovative and cost-effective road and transport infrastructure solutions that enhance connectivity, prioritise safety, and advance sustainable mobility.
The design and construction of roads, highways, bridges, tunnels, and transport infrastructure requires innovative approaches to enhance efficiency, collaboration, and sustainability. Tetra Tech delivers integrated transport solutions across complex projects—from strategic national and regional highway upgrades and localised road safety improvements to active travel, public transport enhancement, and private development infrastructure. Our experts bring technical excellence and a stakeholder-focused approach to every stage of project development, from conceptual design and statutory approvals, right through to construction support and handover.
Our transportation solutions extend beyond traditional highway design to embrace sustainable mobility, including active travel, public transport, and multimodal connectivity. By combining data-driven insights, regulatory expertise, and digital innovation—including visualisation tools to engage stakeholders and the public—we develop safe, efficient, and environmentally responsible infrastructure. Our multidisciplinary approach minimises environmental impact while increasing value for communities and clients.
Road and Transport Infrastructure Design
We offer a full range of road and transport infrastructure design services—from concept development and consenting to detailed design and construction.
- Feasibility, masterplanning and preliminary design
- Major highways and complex junctions
- Private development roads and adoptions
- Bridges and highway structures
- Alignment and junction design
- Geotechnical design
- 3D modelling and BIM integration
- Sustainable urban drainage systems (SuDS), drainage and flood management
- Road safety and traffic calming
- Active travel, greenways and public realm enhancements
- Public transport, including transport hubs
- Carbon assessment – existing and new
Transport Planning and Modelling
Our transport planners support strategic infrastructure decisions through robust modelling, policy insight, and future mobility analysis.
- Transport assessments and travel plans
- Microsimulation and network modelling
- Multi-modal and sustainable transport planning
- Economic appraisal and funding support
- Public consultation and stakeholder engagement
Infrastructure Support Services
In addition to design, Tetra Tech provides a range of support services to our road and transport clients to ensure successful project delivery, including:
- Pre-planning highway and development advice
- Due diligence and expert witness services
- Road adoption process
- Utility advice and coordination
- Infrastructure delivery phasing and management
- Earthwork balance, modelling and plot design
- Project management, contract preparation, and procurement support
- Contract administration and site supervision/support
- Health and safety coordination – CDM / PSDP
Asset Management and Advisory Services
We advise public sector clients and road operators on network maintenance, resilience, and improvement strategies that ensure long-term performance.
- Asset management planning
- Asset inventory
- Pavement condition surveys and data analysis
- Resilience and climate adaptation strategies
- Accessibility audits
- Signs and road markings
- VRS / barrier replacement programmes
- Private road maintenance plans
- Development control support
