Taichung metro Blue Line approved
https://www.railwaygazette.com/metros/taichung-metro-blue-line-approved/65855.article
Since the population in Taichung overtook that in Kaohsiung, construction of the metro lines in Taichung must be much more important.
Taichung Port, Taichung International Airport, and Changhua should be connected by metro lines soon.