Overall Project Construction Progress
East Extension
- Winter 2024
- Tree removal complete
- Spring 2024
- Letting and award to D Construction
- Summer 2024
- Began bridge over DuPage River construction
- Completed IL 126 box culvert extension
- Began 143rd St box culvert extension
- Began compensatory storage excavation
- Winter 2025
- Bridge over DuPage River substructure construction
- 143rd St Box Culvert Extension
- Fletcher Lake Excavation and Filling
- Spring/Summer 2025
- Bridge over DuPage River construction
- Roadway construction
- IL 126, Naperville Road, and IL 59 intersection improvements
- Fletcher Lake retaining wall construction
- Fall 2025
- Traffic Signals
- Lighting
- Roadway construction
- Spring/Summer 2026
- Roadway construction
- Roadway opening
- Project completion
Check back for future scheduling updates!
*Schedule is subject to change.
Overall Project Study Progress
143rd St/Wallin Dr at US Rt 30
- Early/Spring 2025
- Develop and evaluate potential intersection design improvements (alternatives)
- Summer 2025
- Prepare a draft concept for intersection improvements
- Winter 2026
- Host a public meeting to share proposed intersection improvements and gather community feedback
- Spring 2026
- Refine the proposed design based on feedback and further analysis
- Summer 2026
- Complete environmental and drainage studies
- Fall 2026
- Submit final engineering report to IDOT for review and approval
Check back for future scheduling updates!
*Schedule is subject to change.