SR 161 at Maple Canyon Avenue
Columbus, Ohio · Transportation / Highways
Project details
Transportation engineering for state route improvement.

Innovative Ideas | Exceptional Design | Unmatched Client Service
DLZ Corporation is a large, multi-discipline architecture and engineering firm with over 100 years of A/E services history, headquartered in Columbus, Ohio. It brings a collaborative, multidisciplinary approach to professional services across transportation, water/wastewater, architecture, construction management, and land surveying. DLZ is ranked #143 in the ENR Top 500 Design Firms (2025) and #11 in ENR Midwest, with a diverse project portfolio spanning transportation, public safety, judicial, water infrastructure, parks, and institutional facilities across the Midwest and beyond.
LEED-Accredited Professionals on staff
Ram RajadhyakshaPresident, DLZ Corporation
Vicki Briggs-RasorChief Financial Officer
Amy MaloneHR Director
DLZ keeps communities moving through the full range of transportation engineering - designing complex interchanges and highways, restoring historic bridges, developing traffic solutions, creating multiuse trails, and advancing transit systems.
Responsive and sustainable architectural design for public and institutional facilities including correctional, judicial, police/fire/EMS, and higher education.
Design and consulting for water distribution, wastewater collection and treatment, and public works infrastructure.
Construction management, observation, scheduling, claims analysis, value engineering, and laboratory testing for transportation and utility projects.
Precision surveying services across numerous states with more than 50 full-time field crews, including right-of-way acquisition, ALTA, boundary, topographic, and easement surveys.
HVAC, plumbing, and fire protection design for institutional and public facilities, delivered as part of DLZ's integrated architecture and engineering practice.
Power systems and electrical design for public facilities and infrastructure projects, integrated within DLZ's multidisciplinary project teams.
Program management, needs assessments, feasibility studies, building security assessments, building programming, strategic planning, and life cycle cost analysis.
Highways & Roads · Transportation · Wastewater · Water Supply · Public Safety · Justice & Corrections · Transit · Parks & Open Space · Sports & Recreation · Education · Healthcare · Government
Columbus, Ohio · Transportation / Highways
Transportation engineering for state route improvement.
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