Illinois Pre-Qualified
Freeway Construction & Inspection
Road & Street Construction
Road & Street Inspection
Traffic Signal & Traffic Studies
Location and Design Studies
Location Rehabilitation
Landscape Architecture
Route Surveys
Land Surveys
Environmental Assessments
Highway Structures Simple
Highway Structures Typical
Route Surveys
Land Surveys
Environmental Assessments
Highway Structures Simple
Highway Structures Typical
who we are
Quigg Engineering Inc. is a full-service Transportation Engineering Consulting Firm that works across the entire state of Illinois. We are headquartered in Jacksonville, with branch offices in Collinsville, East Peoria, and Springfield.
services we offer
We work together with the clientUsing prior experience and common sense to provide quality services; emphasizing technical details, accuracy, and professionalism.
