For years, drivers, residents, cyclists, and visitors traveling through Interlochen experienced the challenges of aging pavement, congestion, and safety concerns along a heavily traveled section of US-31. Today, construction is [...]

Wastewater systems are some of the most important and complex pieces of infrastructure that communities rely on every day. They protect public health, keep rivers and lakes cleaner, support local [...]

Clark Dietz, Inc. has once again earned a place on the Engineering News-Record (ENR) Top 500 Design Firms list, ranking No. 450 in 2026. The continued recognition reflects the firm’s [...]

Traffic design is often associated with detours, lane closures, and orange barrels. But behind every work zone is a much larger engineering effort. One that includes drainage modeling, roadway design, [...]

Each year, the Clark Dietz Board of Directors selects a winner of the President’s Award from among all nominated staff. Established in 2007, the President’s Award recognizes a team [...]

The City of Crystal Lake has made sustained investments in infrastructure that support public health, safety, and quality of life for its residents. From wastewater improvements to transportation safety and [...]

As we step into 2026, we are proud to recognize the continued growth and advancement of our team at Clark Dietz. Each year, promotions reflect more than career milestones; they [...]

Curved. Super elevated. Skewed up to 58 degrees. Now place that bridge over 13 active lanes of I-294 and reconstruct it while the corridor below is being widened at the [...]

It’s not the flashiest project. There’s no ribbon cutting. No dramatic before-and-after reveal. But across Indiana, there are storm pipes and culverts that haven’t been looked at in decades. Some [...]

Clark Dietz is proud to announce that Chester Kochan, PE, Vice President and Senior Construction Manager in our Oakbrook Terrace office, has been named 2026 Mentor of the Year by [...]