Chaddick Research & Publications

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​In addition to our academic journal Issues in Aviation Law and Policythe Chaddick Institute regularly publishes reports to foster an understanding of urban planning, transportation, and the economics of cities. This page is a chronological list of Chaddick publications and research studies. Please refer to the tabs on the left side of the page for special topical areas (e.g., intercity bus research).

For details about our advertised book specials, including book Terminal Town ($15 postpaid) and When the Railroad Leaves Town ($8 postpaid), click here to be directed to our Books &​ Monographs page or email us at chaddick@depaul.edu.  Also, be sure to check out our Urban Technology Series and Talking Transportation Podcast.​

2025 Publications
Adam River
 

New! Growth Spurt: The Outlook for Intercity Rail Traffic in Chicago through 2030, Chaddick Transportation Brief, August 28, 2025. Check out our coverage in Metro and Smart City Dive. ​Email chaddick@depaul.edu to reach the study team. ​​​

Learning from Case Studies In River Governance from Around the United States. By Adam Flickinger. Chaddick River Policy Report, May 23, 2025. 17 pages. Email chaddick@depaul.edu to reach the study team.​​​

Night Moves: Amazon Air Expands Nocturnal Flying While Boosting Widebody Capacity. Our 2025 Air Cargo Brief on the retailer's cargo airline uses publicly available data. 12 pages. April 7, 2025. Check out our coverage in AirCargo News, FreightWaves, and The LoadstarEmail chaddick@depaul.edu to reach the study team.

2025 Outlook for the Intercity Bus Industry. February 6, 2025. Email chaddick@depaul.edu to reach the study team. Also, make plans to attend our webinar on February 27, 2025 (noon​ CT). Check out the coverage in Metro magazine.

Intercity Bus Schedule Frequency on Notable U.S. Routes.​ January 22, 2025. Email chaddick@depaul.edu to reach the study team.​ For an updated version released on July 22, 2025, with information on summer 2025 schedules, click here.

2024 Publications​​ ​​

Rivers of Opportunity: 25 Small and Mid-Size Cities in Illinois that Adeptly Leverage their Rivers to Enhance Ecosystems and Community Life. October 31, 2024. Email chaddick@depaul.edu to reach the study team. Click to access our presentation slides and informational video (four minutes). ​​

Intercity Bus Blues: Public Officials Fail to Act as the Threat of Carriers being Evicted from Chicago Greyhound Terminal Grows & Illinois’s Bus Network Weakens.​​ Tuesday, May 7, 2024.  Email chaddick@depaul.edu to reach the study team or for a link to the study.​​ 
A tale

A Tale of Two Continents: Amazon Air Expands Hubs & Capacity in North America while Downsizing in  Europe. Thursday, March 22, 2024. By Joseph Schwieterman and Toni Jahn. Our annual brief on Amazon Air. Check out our coverage in Freightwaves and Supply Chain Dive. Email chaddick@depaul.edu to reach the study team. 

Back on the Bus:  2024 Outlook for the Intercity Bus Industry in the United States. ​​ ​​​​February 6, 2024. 24 pages (PDF). Email chaddick@depaul.edu to reach the study team. Check out our coverage in  BUSRide,​​​ Mass Transit, and Smart City Dive.​

2023 Publications

The Expanding Role of Cargo-Oriented Airports in the United States since the beginning of the COVID-19 PandemicThursday, August 17, 2023.  Executive Summary (2 pgs). Study (15 pgs). Several prominent outlets cover the study, including Yahoo Finance/Freightwaves and Loadstar. Email chaddick@depaul.edu to reach the study team. 

GoinGreen: The Adoption of Climate Action Plans by Illinois Municipalities, 2008-2022. May 1, 2023. Research by Branson Bordenkircher, Connor Rettig, Joseph Schwieterman, and Euan Hague exploring climate action plans in the metropolitan Chicago region. This article (18 pages) appears in the Illinois Municipal Policy Journal. Email chaddick@depaul.edu to reach the study team.

Bus Station on the Brink:  City Action is Needed to Prevent the Loss of the Chicago Greyhound Terminal. April 19, 2023. To reach the study team, email chaddick@depaul.edu.

Daily Double: Twice-a-day Flight Clusters at CVG Enhance Amazon Air's Capability as Recession Fears Loom. March 7, 2023. Our latest bi-annual brief on Amazon Air. Email chaddick@depaul.edu to reach the study team. Check out our coverage in FreightWaves

New Destinations: 2023 Outlook for the Intercity Bus Industry. February 7, 2023. To reach the study team, email chaddick@depaul.edu. Check out the media coverage in Mass Transit and Metro.​