Ron Pretty, PE, PTOE, Strengthens Clark Dietz’s Road Safety Audit Capabilities Roadway safety is rarely about a single factor. A crash pattern may point to one concern, while a field [...]

A project that was years in the making is now helping strengthen one of Illinois' most important industries. As of June 2026, the expansion of Incobrasa Industries' soybean and biodiesel [...]

Jerry Payonk, PE, Chairman of the Board at Clark Dietz, has been recognized by the American Council of Engineering Companies of Illinois (ACEC Illinois) with two distinguished honors: the 2026 [...]

How field inspections, GIS integration, and asset inventories help communities make smarter infrastructure decisions:  Most communities know they have aging culverts and stormwater infrastructure beneath their roads. The challenge is [...]

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 [...]