Danyang City in context: Street-network sprawl trends

Danyang City in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Danyang CityJiangsu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Danyang City plotted against Jiangsu and China. The SNDi of new construction in Danyang City peaked in 1976-1990, compared to Jiangsu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Danyang City's incremental SNDi fell from 2.79 to 2.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Danyang City ranked 51st out of 101 cities in Jiangsu and 883rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.75
Rank in China
690th of 1843
Rank in Jiangsu
48th of 101

Entire Network (Aggregate)

SNDi value
2.83
Rank in China
883rd of 1843
Rank in Jiangsu
51st of 101

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Danyang CityAl-ManshahHui'an

In new street additions, Danyang City and Hui'an both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Al-Manshah fluctuated in its street-construction patterns. For the full network, Danyang City grew more disconnected from 1975 through 1976-1990, then improved, while Al-Manshah became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Hui'an grew more disconnected from 1975 through 1991-2005, then improved. Danyang City and Hui'an have been growing further apart in their street-network character since 1975.