The fastest route:
Visitors are advised to take Freeway No. 3 in Taipei to connect Freeway No. 5 from Nangang, Taipei via Yilan to Su’ao then connect to the Provincial Highway No. 9 (Su-hua Highway) going from Su’ao to Taroko National Park Headquarters. It takes about 3-3.5 hours to drive from Taipei to Taroko during off-peak-hours.