Qing Chang

Wrong-Way Driving at Partial Cloverleaf Interchange Terminals

In recent years, my research has focused on enhancing traffic safety at partial cloverleaf (parclo) interchanges, particularly addressing the persistent issue of wrong-way driving (WWD). Parclo interchanges, designed to manage traffic flow between highways and arterial roads, unfortunately exhibit a higher incidence of WWD events compared to other interchange types. Wrong-way driving poses significant risks,…
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Why is it Important to Proactively Prevent Wrong-Way Driving?

In 2022, the United States Department of Transportation adopted a Safe System Approach as the guiding paradigm to address roadway safety. It recognizes that people make mistakes, and the road system should be designed to forgive those mistakes. This is especially true for wrong-way driving prevention – we must do something before people drive the…
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