About Us

About Us

Quandel Consultants is a Chicago-based and employee owned professional engineering firm. Quandel has worked with federal, state, and local governments to improve rail corridors and implement enhanced passenger and freight rail service. Since our founding in 2007, Quandel expanded nationally with 8 offices comprised of professionals dedicated to rail planning, engineering, and program management making us one of the largest “pure” rail engineering firms in the Midwest.
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Our Staff

Our staff has worked on all facets of rail projects including planning and environmental studies, preliminary and final engineering for capital projects, railroad operations and capacity analysis, and oversight of construction activities. In 2016, Quandel Consultants established a structural engineering division, featuring a team with over 40 years of experience in the transportation industry on bridge and structural engineering solutions. From conceptual analysis through final design, Quandel’s structural team members are experts in bridge inspections and rating, bridge and retaining wall planning and design, and alternative design solutions for railroad applications.
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With two offices in Chicagoland

Supported by seven satellite offices throughout the country, Quandel effectively serves our public and private clients including Michigan DOT, Wisconsin DOT, Illinois DOT, Indiana DOT, Ohio DOT, Minnesota DOT, Iowa DOT, Missouri DOT, Colorado DOT, and Pennsylvania DOT. We have worked with virtually all the Class 1 freight railroads, Metra, All Aboard Florida, Amtrak, Ann Arbor Area Transit Authority, and Northern Indiana Commuter Transportation District and enjoy excellent relationships with client personnel.
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Our Expert Advisors

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Charles Quandel, PE

President and Chief Executive Officer

Bob Moore, PE

Vice President and Chief Engineer

Melanie Johnson, PE

Senior Director of Planning & Technology

Dan Schulte, PE

Senior Director of Engineering