transit transportation


Transforming Communities with Custom Mobility and Infrastructure Solutions

We believe mobility today should improve overall community well-being and quality of life. Each mode of transportation, each location and each agency is unique. In communities big and small, our approach is to understand each client’s vision and design customized mobility solutions that create strong, vibrant communities.

Integrated Teams and Program Know-How

Throughout the life of a transportation project, we emphasize the importance of data-driven decisions to identify the best solution. Our full-service teams offer complete project life cycle management, from initial capital planning and economic analyses to design and construction management to geospatial data integration and asset management. We also manage large, complex infrastructure programs such as public-private partnerships and design-build projects to help our clients mitigate risks and achieve successful outcomes.

Implementing Automated, Connected, Electric and Shared Technology 

Autonomous and connected vehicles, transportation electrification, positive train control, smart transit and more are revolutionizing the way we identify and plan for future infrastructure improvements. Partnering with our clients and industry leaders, we develop technology roadmaps to optimize the benefits of emerging technologies and make transportation investments future-ready.

Solutions for Every Project

St. Croix

We pull together the top minds from across the globe to offer custom-fit solutions to our clients' toughest challenges.

Some service spotlights:

See all Awards & Rankings
The Numbers Speak
The Numbers Speak
Top 20 in Transportation

Engineering News-Record

Top 25 in Bridges

Engineering News-Record

Top 25 in Mass Transit & Rail

Engineering News-Record