Table 3.

Classification of urban land use and its characteristic

Category of land use		Open/Closed	Characteristic
R Residential Land		Undetermined	Mainly closed, depend on the management.
A Land for public administration and public service	A1	Undetermined	Administrative office land: Carrying public service but may not open, depend on the management.
	A2	Open	Cultural facilities land: public-open.
	A3	Undetermined	Land for educational and scientific research, mainly closed
	A4	Open	Sports land
	A5	Undetermined	Land for medical and health Depend on the management.
	A6	Closed	Land for social welfare facilities.
	A7	Open	Heritage sites
	A8	Undetermined	Land for foreign affairs
	A9	Undetermined	Religious facilities land: open to specific population
B Commercial and business facilities		Open	Commercial
M Industrial Land		Closed	Closed land use
W Logistics and warehouse land		Closed	Closed land use
S Street and transportation land	S1	Open	Urban street land: Public-open
	S2	Undetermined	Land for rail transit: depending on the specific project
	S3	Open	Integrated transport hub: public-open
	S4	Closed	Transport station land
	S9	Undetermined	Other transportation facilities
U Municipal utilities land	U1	Closed	Supply facility land
	U2	Closed	Land for environmental facilities
	U3	Closed	Land for safety facilities
	U9	Closed	Other utility sites: Carrying public service but not open
G Green space		Open	Green space