He took control of New York City’s bus and subway network in 2018 after what was known as the system’s “summer of hell” the previous year, when track fires and long delays frustrated commuters. He became popular among riders for improving service soon after moving into the job. As the president of NYC Transit, which also runs the city’s buses, he helped rally support in 2019 for congestion pricing, a first-in-the-nation tolling program meant to reduce Manhattan gridlock and raise the money needed to make major mass transit repairs.