Capturing the Signature of Topological Evolution from the Snapshots of Road Networks

Table 1

Properties of urban road networks of 25 districts in Seoul, South Korea. N_p, M_p and <k_p> are the number of nodes and edges, and average node degree, respectively, measured in the primal map.

Age Class	Name	Sites	Area of district (km^2)^a			<kP>
I	S01	Jung-gu	10.0	3359	4470	2.66
	S02	Yongsan-gu	21.9	5534	6894	2.49
	S03	Jongro-gu	23.9	5340	6509	2.44
II	S04	Dongdaemun-gu	14.2	6286	8095	2.58
	S05	Seongbuk-gu	24.6	10121	12786	2.53
	S06	Seodaemun-gu	17.6	4778	6120	2.56
	S07	Seongdong-gu	16.9	4576	5828	2.55
	S08	Mapo-gu	23.8	2860	4087	2.86
	S09	Youngdeungpo-gu	24.6	4916	6982	2.84
	S10	Dongjak-gu	16.4	4198	5289	2.52
III	S11	Jungrang-gu	18.5	7723	9819	2.54
	S12	Gwangjin-gu	17.1	5859	7625	2.60
	S13	Gangbuk-gu	23.6	7455	9645	2.59
	S14	Eunpyeong-gu	29.7	4284	5772	2.69
IV	S15	Geumcheon-gu	13.0	3416	4361	2.55
	S16	Guro-gu	20.1	5259	6710	2.55
	S17	Gwanak-gu	29.6	7175	9285	2.59
	S18	Dobong-gu	20.7	4137	5265	2.55
	S19	Yangcheon-gu	17.4	2810	4109	2.92
	S20	Gangdong-gu	24.5	3683	5015	2.72
	S21	Songpa-gu	33.9	4202	6166	2.93
	S22	Gangseo-gu	41.4	4974	6820	2.74
	S23	Nowon-gu	35.4	4006	5389	2.69
	S24	Gangnam-gu	39.5	3865	6098	3.16
	S25	Seocho-gu	47.0	4262	5989	2.81

^asource: stat.Seoul.go.kr.