龙山镇 in context: Street-network sprawl trends

Long Shan Zhen in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
Long Shan Zhen Zhejiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with 龙山镇 plotted against Zhejiang and China. The SNDi of new construction in 龙山镇 was at its lowest in 1991-2005, compared to Zhejiang which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, 龙山镇's incremental SNDi rose from 2.97 to 4.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, 龙山镇 ranked 84th out of 116 cities in Zhejiang and 1388th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.32
Rank in China
1492nd of 1843
Rank in Zhejiang
95th of 116

Entire Network (Aggregate)

SNDi value
3.53
Rank in China
1388th of 1843
Rank in Zhejiang
84th of 116

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
Long Shan Zhen Tafawa-BalewaIlishan

In new street additions, 龙山镇 built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Tafawa-Balewa fluctuated in its street-construction patterns and Ilishan built increasingly disconnected streets over time. For the full network, 龙山镇 became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Tafawa-Balewa fluctuated in connectivity and Ilishan became progressively more disconnected. 龙山镇 and Tafawa-Balewa have been growing further apart in their street-network character since 1975.