Sigma provides engineering services for transportation infrastructure design and construction.
Our firm supports local, state, and federal agencies with optimizing mobility, accessibility and reliability of their public transit, road and bridge, aviation, and rail systems. Sigma’s engineers and trained technicians possess the knowledge for expediting permitting processes and ensuring conformance with regulatory compliance requirements. Our experience enables us to deliver accepted design standards which are critical in facilitating efficient and cost-effective results for project needs.
We deliver planning, design and construction assistance services associated with the following:
- Interchange Improvements
- Interstate Reconstruction
- Roadway Improvements
- Maintenance of Traffic