Gutian in context: Street-network sprawl trends

Gutian in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
GutianFujian (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gutian plotted against Fujian and China. The SNDi of new construction in Gutian rose steadily, compared to Fujian which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Gutian's incremental SNDi rose from 3.59 to 4.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gutian ranked 29th out of 75 cities in Fujian and 972nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.19
Rank in China
1463rd of 1843
Rank in Fujian
49th of 75

Entire Network (Aggregate)

SNDi value
2.93
Rank in China
972nd of 1843
Rank in Fujian
29th of 75

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
GutianBarnsleyParanoa

Gutian, Barnsley, and Paranoá all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Gutian and Barnsley have been converging in their street-network character since 1975.