Mark W. Horner


(850) 644-8377
Bellamy 318
Personal Website


Ph.D. Geography. The Ohio State University. 2002.

Research Interests

Transportation, GIScience, urban geography, accessibility, spatial analysis

Research Activities

Measuring Accessibility Outcomes for Aging Populations

Assessing the Impacts of Autonomous Vehicles on Future Travel Patterns

Developing Methods for Analyzing Mobile Objects' Trajectories

Spatial Optimization for Emergency Management and Relief Operations

Additional Affiliations

Associate Director, Center for Safe and Accessible Transportation, The Florida State University (

U.S. co-Editor, Transportation (Springer) (

Chair, Transportation Research Board Standing Committee ADD20, Social and Economic Factors of Transportation

Selected Publications

Mark W. Horner, Michael Duncan, Brittany Wood, Yazmin Valdez-Torres, and Chris Stansbury. 2015. Do Aging Populations Have Differential Accessibility to Activities? Analyzing the Spatial Structure of Social, Professional, and Business Opportunities. Travel Behavior and Society 2(3), 182-191.

Mark W. Horner and Brittany S. Wood. 2014. Capturing individuals’ food environments using flexible space-time accessibility measures. Applied Geography, 51, 99-107.

Mark W. Horner and Joni A. Downs. 2014. Integrating people and place: A density-based measure for assessing accessibility to opportunities. Journal of Transportation and Land Use 5(2), 23-40.

Mark W. Horner, Brandon Zook, and Joni A. Downs. 2012. Where were you? Development of a time-geographic approach for activity destination re-construction. Computers, Environment, and Urban Systems 36, 488-499.

Mark W. Horner, Tingting Zhao, and Timothy S. Chapin. 2011. Towards an Integrated GIScience and Energy Research Agenda. Annals of the Association of American Geographers 101(4), 764-774.

Courses Taught

GEO4162C Spatial Data Analysis
GEO4700 Transport Geography
GEO5118C Geographical Research
GIS4043/GIS5101 Introduction to GIS
GIS5111 Spatial Modeling in GIS