Table 3.

NV, SV, and IV classification

		SV			→	Layers	District
NV		Low	Medium	High		V1	Beitou
	Low	Beitou	Nangang, Shilin, Wenshan			V2	Nangang, Shilin, Wenshan, Zhongshan, Neihu
						V3	Xinyi, Zhongzheng
	Medium	Zhongshan, Neihu	Xinyi	Wanhua		V4	Wanhua
	High	Zhongzheng		Songshan, Datong, Daan		V5	Songshan, Datong, Daan