TZD Traffic Safety Hotdish: Air Conditioning, Land Development, Access Management, Pedestrian Fatalities—How Are They Connected?

Wednesday, July 19, 2023

About the Event

Air conditioning has led to a drastic improvement in the quality of life across the globe. However, it also resulted in many unintended and unanticipated changes, spurring societal impacts that may directly and indirectly impact traffic safety—especially regarding pedestrian safety on American roadways. 

Event Materials

Derek Leuer
Derek Leuer


Derek Leuer is the state traffic safety engineer for the Minnesota Department of Transportation in the Office of Traffic Engineering. He has been responsible for developing the District and Local County Road Safety Plans, assisting in statewide traffic safety planning efforts, and providing technical assistance to state, county, and local agencies. Derek has a bachelor’s degree in civil engineering from North Dakota State University and a master's degree in infrastructure systems engineering from the University of Minnesota. He is a registered professional engineer in Minnesota.


Attendees are eligible for 1.25 Professional Development Hours (PDHs). Download the PDH credit form (PDF) for your records.

More Information

Please contact Linda Dolan at


This event was offered by the Minnesota Toward Zero Deaths Program and the Minnesota Departments of Health, Public Safety, and Transportation, with funding from the National Highway Traffic Safety Administration. It was hosted by the University of Minnesota's Center for Transportation Studies.