Langzhong in context: Street-network sprawl trends

Langzhong in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
LangzhongSichuan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Langzhong plotted against Sichuan and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Langzhong's incremental SNDi rose from 2.5 to 2.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Langzhong ranked 21st out of 98 cities in Sichuan and 520th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.58
Rank in China
572nd of 1843
Rank in Sichuan
24th of 98

Entire Network (Aggregate)

SNDi value
2.41
Rank in China
520th of 1843
Rank in Sichuan
21st of 98

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
LangzhongsukhaanpukurHunan

In new street additions, Langzhong fluctuated in its street-construction patterns, while সুখানপুকুর fluctuated in its street-construction patterns and Hunan built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Langzhong became progressively more disconnected, while সুখানপুকুর became progressively more connected and Hunan became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Langzhong and সুখানপুকুর have been converging in their street-network character since 1975.