ITS Publications - The Institute of Transportation Studies at UC Irvine

published journal article | November 05, 2025

published journal article | December 2025

Farzana Khatun and Jean-Daniel Saphores (2025) “Free transit for students to regain ridership: Users and boarding characteristics of LA Metro's GoPass program”, Journal of Transport Geography, 129, p. 104442.

research report | October 21, 2025

research report | August 2025

Farzana Khatun and Jean-Daniel Saphores (2025) What Explains Trends in Orange County Transportation Authority Bus Ridership?. Research Report. UC ITS.

published journal article | October 21, 2025

published journal article | June 2025

Farzana Khatun and Jean-Daniel Saphores (2025) “Driver’s Licenses for Undocumented Immigrants and Bus Ridership in Orange County, California”, Transportation Research Record, 2679(6), pp. 409–425.

conference paper | October 29, 2025

conference paper | January 2025

Farzana Khatun and Saphores, Jean-Daniel (2025) “Free Transit for Students: Users and Boarding Characteristics of LA Metro's GoPass Program”, in Proceedings, 104th Annual Meeting of the Transportation Research Board. Washington, D.C..

policy brief | October 30, 2025

policy brief | August 2024

Jean-Daniel Saphores and Farzana Khatun (2024) Did Extending Driver Licenses to Individuals Without Legal Presence Affect Transit Ridership in Orange County?. Policy Brief. UC ITS.

research report | October 21, 2025

research report | June 2024

Jean-Daniel Saphores and Farzana Khatun (2024) Enhancing Student Outcomes While Strengthening Transit: An Analysis of LA Metro’s GoPass Fareless Pilot Program. Final Report PSR 22-23 TO 068. PSR / ITS-Irvine.

conference paper | October 21, 2025

conference paper | January 2024

Farzana Khatun and Jean-Daniel Saphores (2024) “Driver’s License for Undocumented Immigrants and Bus Ridership in Orange County, CA”. Transportation Research Board 103rd Annual Meeting.

published journal article | October 21, 2025

published journal article | December 2023

Farzana Khatun and Jean-Daniel Saphores (2023) “Covid-19, intentions to change modes, and how they materialized - Results from a random survey of Californians”, Transportation Research Part A: Policy and Practice, 178, p. 103882.

conference paper | October 21, 2025

conference paper | January 2023

Farzana Khatun and Jean-Daniel Saphores (2023) “The Impact of Covid-19 on Transit, Walking/Biking, and TNC Use in California – How Will Californians Travel after the Pandemic?”. 102nd Transportation Research Board Annual Meeting 2023.

published journal article | October 21, 2025

published journal article | February 2022

Md. Musleh Uddin Hasan, A S M Abdul Quium, Mashrur Rahman, Farzana Khatun, Mohammad Shakil Akther, Afsana Haque, Sarwar Jahan, Ishrat Islam, Tanjeeb Ahmed and Tanvir Hossain Shubho (2022) “A Methodology for Planning and Prioritisation of Rural Roads in Bangladesh”, Sustainability, 14(4), p. 2337.

published journal article | October 21, 2025

published journal article | January 2022

Farzana Khatun and Jean-Daniel M. Saphores (2022) “Best frenemies? A characterization of TNC and transit users”, Journal of Public Transportation, 24, p. 100029.

Phd Dissertation | October 21, 2025

Phd Dissertation | January 2022

Farzana Khatun (2022) PUBLIC TRANSPORTATION AT A CROSSROADS Transportation Network Companies, COVID-19, and Transit Ridership. Ph.D.. UC Irvine.

research report | October 21, 2025

research report | January 2022

Jean-Daniel Saphores and Farzana Khatun (2022) Public Transportation, Transportation Network Companies (TNCs), and Active Modes. Research Report. ITS-Irvine.

conference paper | October 21, 2025

conference paper | January 2021

Farzana Khatun and Jean-Daniel Saphores (2021) “Best Frennemies? A Characterization of TNC and Transit Users Based on the 2017 NHTS”. 100th Transportation Research Board (TRB) Annual Meeting, Washington, DC.

research report | October 21, 2025

research report | January 2020

Jean-Daniel Saphores, Deep Shah and Farzana Khatun (2020) A Review of Reduced and Free Transit Fare Programs in California. Final Report UC-ITS-2019-55.

published journal article | October 21, 2025

published journal article | September 2019

Farzana Khatun and Jean-Daniel Saphores (2019) “DON'T HOP in the bus GUS – an analysis of recent trends in octa (Orange county transit authority) bus ridership (2nd highest scoring doctoral abstract award sponsored by the transport & health science group)”, Journal of Transport & Health, 14, p. 100784.

conference paper | October 21, 2025

conference paper | January 2019

Farzana Khatun and Jean-Daniel Saphores (2019) “DON'T HOP in the bus GUS–an analysis of recent trends in octa (Orange county transit authority) bus ridership (2nd highest scoring doctoral abstract award sponsored by the transport & health science group)”, in 5th international conference on transportation and health. ICTH.