He began to discover signs of an increase in office workers commuting to work back in 1981. "The increase has really been obvious over the past couple of years, especially along the Keelung--Taipei -- Chungli line," he says.
他從民國七十年開始，即發覺到上班族利用火車通勤有增加的跡象，「這兩年增加得最明顯，尤其以基隆﹘ ﹘台北﹘﹘中壢區間為最」，他說。