Ningde in context: Street-network sprawl trends

Ningde in context

33.64.24.85.4<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.85.4<19751976–19901991–20052006–2020SNDi of entire street network
NingdeFujian (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ningde plotted against Fujian and China. While Fujian and China both followed a zig-zag trend with an overall increase, Ningde's new street additions followed a zig-zag trend with an overall increase. Most recently, Ningde's incremental SNDi rose from 3.28 to 3.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ningde ranked 42nd out of 75 cities in Fujian and 1334th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.74
Rank in China
1276th of 1843
Rank in Fujian
41st of 75

Entire Network (Aggregate)

SNDi value
3.44
Rank in China
1334th of 1843
Rank in Fujian
42nd of 75

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
NingdeJuliacaTimergara

While Juliaca and Timergara both built increasingly disconnected streets over time, Ningde fluctuated in its street-construction patterns in new street additions. Looking at the full network, Juliaca and Timergara both became progressively more disconnected, while Ningde fluctuated in connectivity. Notably, Ningde had a more sprawly network than Timergara in 1975 but the two have since reversed their relative ranking.