CKL served as Prime firm providing resident engineering and contract administration services for the full bridge replacement over I-88 Reagan Memorial Tollway.

CKL is providing CEI services under mentorship with Bowman Consultants for The Mile Long Bridge, which is a critical piece of infrastructure on the Central Tri-State Tollway (I-294) corridor. The bridge carries traffic over two major railroads, three water resources and local roads, and over a major distribution center for UPS and Burlington Northern Santa Fe (BNSF) Railway. The $500 million Mile Long Bridge Project began in summer 2019 and is scheduled through 2023.

CKL provided resident engineering & CEI services for a tollway maintenance vehicle access ramp with new retaining wall, lighting, drainage, concrete barrier wall, and underpass lighting.

CKL is the lead firm providing Resident Engineering & Contract Administation services to remove existing signing, replace overhead and ground mounted signs and Dynamic Message Board Improvements

CKL in partnership with Hey & Associates, delivered resident engineering and contract administration services for the award winning Pine Dunes Restoration project. Efforts included streambank restoration, enhanced prairies, woodlands, wetland mitigation and site planting. Included a parking lot, restroom facilities, boardwalks, a drinking water well and three miles of bike and pedestrian trails.

CKL partnered with HLR to provide CEI services on various relocation projects in advance of Illinois Tollway's interchange project.