Chern says that a thorough repair of Highway 21 will require the construction of bridges and tunnels. It would be a major project and cost more than NT $ 10 billion. He notes that in addition to the funding question, the government must also evaluate the stability of the terrain before deciding whether to move forward with the project.
陳振川表示，台 21 線若要徹底修復，必須做橋樑、挖隧道，工程浩大，至少要花上百億元，除了經費困難，目前還需觀察地質的穩定度，審慎評估後才做定奪。