Welcome, TerraSite Design, to the Interstate Engineering Team!

Site Design

Creating Spaces That Work for People and Projects.

Plan drawing for park

With over five decades of experience across the Upper Midwest, Interstate Engineering’s design team has built a reputation for creating site designs that are intelligent, efficient, and responsive to community needs. We’re proud to be a leader in comprehensive planning, land use guidance, and site development solutions that balance vision with practicality.

Our team collaborates across disciplines to make sure that every site, from one-lot site developments, to residential neighborhoods to industrial park facilities, is planned for longevity, environmental compatibility, and community impact. From initial layout to final grading, we’re here to turn land into lasting opportunity.

From Vacant Land to Vibrant Space, We’re on Your Team.

Let’s talk about your site goals and how to bring them to life.

Services

Site Layout & Conceptual Design

Initial design approach for site efficiency, accessibility, and regulatory fit

Design & Visualize

Virtual reality, BIM, and Autodesk cloud tools that help clients visualize, coordinate with architects, and deliver accurate, high-impact site designs

Grading & Drainage Design

Plans that manage runoff, protect structures, and meet environmental standards

Utility Coordination & Design

Water, sewer, electric, and telecom designed for current needs and future capacity

Stormwater Management

Effective, compliant drainage systems using best practices and green infrastructure

Erosion Control Planning

Protecting soil and water with smart, sustainable solutions during and after construction

Zoning & Regulatory Reviews

Navigating local ordinances to streamline approvals and support compliance

Permitting Assistance

From municipal approvals to state and federal applications, we keep projects moving forward

Parking Lot Design

Safe, ADA-compliant layouts that support traffic flow and maximize space

Access Roads & Driveway Planning

Designing secure and efficient site access for residents, employees, and equipment

What Our Team Says

Featured Projects