The intersection of Burlington Road and Illinois Route 47 in Campton Hills experienced increasing congestion as traffic volumes grew along both two‑lane highways. Although an all‑way stop significantly reduced severe crashes, it created long delays and limited the intersection’s ability to support regional traffic needs. To deliver a safer, more efficient solution, the Kane County Division of Transportation advanced a plan to convert the intersection into a modern roundabout – the first roundabout ever approved on an Illinois state highway. STV provided construction management services to support every phase of delivery.
What challenges did STV address?
The construction team needed to maintain safety and schedule while coordinating with multiple utility companies whose facilities crossed the project area. With high daily traffic volumes and a small project footprint, careful staging was critical to ensure safe access for motorists and construction crews. Avoiding utility conflicts required proactive planning and oversight to prevent costly redesigns or delays.
What solutions did STV deliver?
STV met with utility companies early to identify relocation needs and resolve conflicts before construction began. The team reviewed layouts, recommended reroutes and oversaw all construction activities, keeping the project within 2 percent of the bid price. STV also monitored materials testing and quality control to ensure the roundabout was constructed to the required safety and operational standards.
How does this project benefit the community?
The completed roundabout improves traffic flow, reduces delays, and enhances safety by reducing conflict points. It provides a flexible, attractive and environmentally friendly solution that supports long‑term mobility as the region grows.
Key stats and accolades
- First state‑highway roundabout approved by Illinois Department of Transportation
- Costs held within 2 percent of bid price
- Utility conflicts resolved before construction
- Safer, more efficient alternative to an all‑way stop
