Train treasure-trove: As soon as he finished taking the college entrance exams, Hung Chih-wen set off on a round-island train trip, covering every main line on the island in three months 'time, as well as many secondary ones, and becoming familiar with the system inside and out.
大學聯考一考完，洪致文馬上做了一趟火車環島旅行，在三個月內跑遍全省鐵道，包括多條支線，也因此對台灣鐵道暸若指掌。