Roads, Streets & Highways
Parking Lots
Intersection Design Studies
Traffic Capacity Analysis
Traffic Signals
Roadway & Pavement Maintenance
Street Lighting
Recreational Paths
Boat Ramps & Docks
Storm Water Management
Drainage Studies
Detention Basins
Administration of Motor Fuel Tax
   Funds (MFT)
Administration of Federal Aid Projects
Construction Engineering

The Willett, Hofmann & Associates, Inc. Transportation Department provides engineering services for design, construction and maintenance of municipal streets and alleys, rural and major highways, recreational paths, traffic signals, street lighting, and industrial and commercial sites, as well as intersection design studies, storm sewer analysis, and storm water management facilities for projects of various sizes and complexities.

Our staff is qualified to conduct intersection design studies and storm sewer analysis and to provide storm water detention basin design. For solutions down the road, we’ve prepared maintenance programs for municipalities to help economically preserve their existing streets and highways. Expertly familiar with federal, state and local requirements, WHA can plan, design and monitor the construction of our clients’ projects in sync with all proper standards and specifications—including help with preparing grant applications to help fund the project.

Our staff of engineers, technicians and construction inspectors has paved the way in planning, preparing and executing maintenance programs for municipal and governmental clients to preserve their existing streets and highways. Our clients benefit from our long history of successful reconstruction and new construction projects of various types and complexities. WHA staff has gathered a thorough understanding of federal, state and local design standards and permitting requirements as well as various forms of project funding, including Motor Fuel Tax Projects and Federal Aid Projects. With a continuing commitment to both personnel and technology, Willett, Hofmann & Associates, Inc. is qualified for transportation projects of any complexity.


Flagg Road and IL Route 251

Flagg Road and IL Route 251 WHA successfully designs the reconstruction and expansion of a heavily trafficked major intersection which was constructed without shutdown. Download the details here!
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Kishwaukee Street

Kishwaukee  Street With a bridge in need of replacement and a creek in need of realigning, WHA remodeled this urban state highway corridor using a wide range of engineering expertise. Download the details!
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Steward Road

Steward Road WHA designs railroad overpass and numerous roadway improvements to safely serve and spur industrial development. Download the details here!
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Bell School Road

Bell School Road What once was a two-lane rural country roadway is now a five-lane urban arterial thoroughfare in Winnebago County. See how WHA improved this arterial roadway. Download the details here!
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Much more than a professional services provider, WHA is a community advocate and regular newsmaker.  Keep pace with our people, projects and progress here.

Willett, Hofmann Wins ACEC-Illinois 2017 Engineering Excellence Awards
February 17, 2017

City of Rockford Projects Earn Award  more...

WHA Wins Award
January 9, 2017

APWA Awards  more...