In the past, when trains had to climb the Shihliufen slope to reach an elevation of 400 meters and the highest train station in all of Taiwan, before that point there was extra track for reversing so that trains which couldn't make it up the slope could back up and get a better head of steam.
過去火車行經十六份坡，到達海拔四百多公尺、台灣最高的火車站之前，還設有供火車爬不上坡、倒退再加速的折返線。