Dayangshu in context: Street-network sprawl trends

Dayangshu in context

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
DayangshuNei Mongol (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dayangshu plotted against Nei Mongol and China. While Nei Mongol and China both followed a zig-zag trend with an overall increase, Dayangshu's new street additions followed a zig-zag trend with an overall increase. Most recently, Dayangshu's incremental SNDi rose from 3.9 to 7.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dayangshu ranked 18th out of 43 cities in Nei Mongol and 939th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
7.93
Rank in China
1807th of 1843
Rank in Nei Mongol
43rd of 43

Entire Network (Aggregate)

SNDi value
2.9
Rank in China
939th of 1843
Rank in Nei Mongol
18th of 43

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

What about similarly populated cities?

02468<19751976–19901991–20052006–2020SNDi of street additions
02468<19751976–19901991–20052006–2020SNDi of entire street network
DayangshuPaithanTaozhuang

In new street additions, Dayangshu fluctuated in its street-construction patterns, while Paithan built increasingly disconnected streets from 1975 through 1976-1990, then improved and Taozhuang built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Dayangshu became progressively more disconnected, while Paithan grew more disconnected from 1975 through 1976-1990, then improved and Taozhuang became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Notably, Dayangshu had a more connected network than Paithan in 1975 but the two have since reversed their relative ranking.