Sustainable Transportation Lab


April 21, 2017

Are bikeshare trips being linked with L train travel in Chicago?

  Recently, I have been studying the bikeshare systems in the Washington D.C. and Chicago areas. One of my projects focuses on the interaction between bikesharing and the L Train stations in the Chicago area, in particular, how L ridership is affected by the presence of bikesharing. When doing the analysis our results suggested that…


April 19, 2017

Uber flat fares

At the beginning of the March, I received an offer from Uber to purchase a flat fare riding package for one month. The offer guaranteed a $2.49 flat-fare for UberPool and $4.49 flat-fare for UberX rides within a specific zone as shown in the following map. The flat fare zone did not include the entire…


April 17, 2017

Rethinking the park and ride for the 21st century: Part I

Two major trends in mobility mean that it is time for transportation agencies to rethink the role of the humble park & ride as a tool for promoting more sustainable transportation. By enhancing pickup and dropoff facilities and accommodating self-parking cars, a park & ride can increase both the number of travelers served and the…


April 5, 2017

TNCs and transit: frenemies? Redux.

After running for six years in New York, Uber was suspected of “stealing” transit ridership and adding more to the traffic gridlock. According to statistics from the Metropolitan Transportation Authority, the annual subway ridership fell slightly in 2016 after many years of consistent growth. One noteworthy detail, however, is that the weekday ridership was at…


April 3, 2017

BlueSolution to California

Los Angeles is going to add a new one way car-sharing program, BlueSolution, to the city. So far, the City of Los Angeles only hosts Zipcar in some parts of the city, which does not seem to meet the city’s needs and goals toward mobility for all. A major distinction between the new BlueSolution program and…