Mapping Urban Sprawl in 2025 was concluded in November 2025. The study was supported with funding from the Center for Smart Transportation and the Bloomberg American Health Initiative at the Johns Hopkins Bloomberg School of Public Health.

Principal Investigator

Shima Hamidi, PhD
Bloomberg Assistant Professor of American Health
Director of the Center for Smart Transportation

Johns Hopkins University

Research Team

Sajjad Abdollahpour, PhD

Postdoctoral Fellow and Research Associate at the Center for Smart Transportation

Johns Hopkins University

Ebrahim Azimi, PhD     
Associate Director of the Center for Smart Transportation

Johns Hopkins University

Reid Ewing, PhD
Distinguished Professor of City and Metropolitan Planning
Distinguished Chair for Resilient Places at the University of Utah