Jinshan in context: Street-network sprawl trends

Jinshan in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
JinshanShanghai (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jinshan plotted against Shanghai and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Jinshan's incremental SNDi rose from 2.53 to 2.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jinshan ranked 1st out of 11 cities in Shanghai and 590th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.56
Rank in China
555th of 1843
Rank in Shanghai
2nd of 11

Entire Network (Aggregate)

SNDi value
2.5
Rank in China
590th of 1843
Rank in Shanghai
1st of 11

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
JinshanMalemba-NkuluTorit

In new street additions, Jinshan fluctuated in its street-construction patterns, while Malemba-Nkulu built increasingly disconnected streets over time and Torit built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Jinshan and Malemba-Nkulu both became progressively more disconnected, while Torit became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Jinshan and Malemba-Nkulu have been growing further apart in their street-network character since 1975.