Review of Urban Transportation Network Design Problems Based on CiteSpace

Table 1

Top frequencies of key words.

Freq.	Burst	Centrality	Sigma	Key word
110		0.1	1	model
97	3.02	0.25	1.97	design
69		0.23	1	optimization
65		0.08	1	algorithm
63		0.08	1	transportation
62		0.09	1	network
60		0.12	1	system
41		0.03	1	genetic algorithm
37		0.06	1	network design
29		0.01	1	transportation network
25		0.09	1	demand
25		0.04	1	equilibrium
24		0.03	1	land use
24		0.01	1	road network
24		0.12	1	management
22		0.1	1	network design problem
21		0.01	1	walking
20		0.02	1	physical activity
19		0.07	1	congestion
19		0.16	1	impact
18		0.02	1	city
17		0.07	1	time
16		0.07	1	built environment
16		0.04	1	design problem
15		0.04	1	behavior
15		0.05	1	intelligent transportation system
15		0.03	1	urban form
13		0.02	1	capacity
13		0	1	performance
13		0.01	1	sustainability