Ji Youn Yeon

Different Impacts of Independent Recurrent and Non-Recurrent Congestions on Freeway Segments

Gang-Len Chang, Kyeong-Pyo Kang, Ji Youn Yeon, 2008 .

Estimation of Legibility Distance for Portable Variable Message Signs

Tai-Jin Song, Taehyung Kim, Cheol Oh, 2010 .

Estimation of Message Reading Time for Variable Message Signs

Cheol Oh, Taehyung Kim, Ji Youn Yeon, 2009 .

Economic growth and transport models in Korea

Jae-Joon Lee, Hun Kim, Jinseo Park, 2012 .