The route from Tainan to Houlong is primarily serviced by the Taiwan Railways Administration's (TRA) express trains, notably the Taroko and Puyuma trains. The Puyuma express offers a comfortable travel experience, operating at speeds of up to 130 km/h (81 mph) and covering the journey in approximately 2 hours and 30 minutes. The Taroko train, while also providing express service, takes a few more minutes due to additional stops along the way. It is well-regarded for its smooth ride and modern amenities, catering to both leisure and business travelers.
Both trains offer standard and first-class seating options, enabling passengers to choose the level of comfort they desire. Travelers will appreciate onboard facilities such as restrooms and refreshments, making the trip enjoyable. The choice between the Puyuma and Taroko comes down to personal preferences regarding speed and number of stops along the route.