Felsburg Holt & Ullevig is a transportation consulting firm specializing in transportation planning / traffic engineering, environmental, civil engineering design, and construction management services. Since 1984, we've grown into a firm of more than 200 persons with offices in Colorado (Denver, Colorado Springs, Fort Collins, and Grand Junction), Nebraska (Omaha and  Lincoln), South Dakota (Sioux Falls), Iowa (Council Bluffs and Des Moines, and Salt Lake City, Utah. We're dynamic, collaborative professionals who are passionate about transportation solutions.