Research

Transportation Policy and Governance

• Transportation Equity

• Transportation Politics

• Governance and Institutions

• Transportation Funding and Finance

Public Transportation 

• Fare Policy

• Transit Boards and Governance

• Transit Planning 

• Performance Management

Peer-Reviewed Journal Publications

1. Harmony, X. 2022. Can transportation network companies replace the bus? An evaluation of shared mobility operating costs. Transportation Planning and Technology, 45 (2), 138-158

2. Harmony, X. 2018. Fare Policy and Vertical Equity: The Trade-off Between Affordability and Cost Recovery. Journal of Public Transportation, 21 (2): 41-59.

3. Harmony, X. and V. V. Gayah. 2017. Evaluation of real-time transit information systems: An information demand and supply approach. International Journal of Transportation Science and Technology, 6 (1): 86-98.

Academic Conference Presentations

1. Harmony, X. 2023. Saliency of Transportation Policies in State Legislative Elections: The Case of Virginia. 51st Urban Affairs Association Conference, April 26-29. Nashville, TN. [Accepted based on abstract]

2. Harmony, X. 2022.  Advancing Docked Bikeshare Equity Evaluation with Gini Coefficients and Lorenz Curves. 101st Annual Meeting of the Transportation Research Board, January 9-13. Washington D.C. [Accepted based on peer reviewed full paper]

3. Harmony, X. J. 2021. Can transportation network companies replace the bus? An evaluation of shared mobility operating costs. Lectern session presented at the 62nd International Meeting of the Transportation Research Forum, April 6-8.  [Accepted based on extended abstract]

4. Harmony, X. J. and V. V. Gayah. 2017. Implementing Real-Time Transit Information Systems: An Examination of Information Supply and Demand. 96th Annual Meeting of the Transportation Research Board, January 8-12. Washington D.C. [Accepted based on peer reviewed full paper]

Professional Conference Presentations

1. Harmony, X. 2022. The Importance of Transportation to Virginia State Politics.  American Planning Association (APA) Virginia Chapter Annual Conference, July 17-20, Richmond, VA. [Accepted based on abstract]

2. Harmony, X. and V. V. Gayah. 2015. Passenger expectations with, and perceptions of, real-time transit information. Transportation Engineering and Safety Conference (TESC), December 11-13, State College, PA.

Other Research and Publications

1. Harmony, X. 2020. Review of A Companion to Transport, Space and Equity, edited by Robin Hickman, Beatriz Mella Lira, Moshe Givoni and Karst Geurs. Journal of Urban Affairs. 

2. Harmony, X. 2016. Evaluating the Implementation of Real-time Transit Information through an Examination of Information Supply and Demand. M.S. Thesis. The Pennsylvania State University, State College, PA. 

1. Harmony, X. and  S. Spiliotopoulos. 2023. Advancing Bus Priority in Northern Virginia. Northern Virginia Transportation Commission. 

2. Harmony, X. and  S. Spiliotopoulos. 2022. Northern Virginia Transit through the COVID-19 Pandemic. Northern Virginia Transportation Commission.