Qin in context: Street-network sprawl trends

Qin in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
QinShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qin plotted against Shanxi and China. The SNDi of new construction in Qin was at its lowest in 1976-1990, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Qin's incremental SNDi rose from 2.39 to 4.2 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qin ranked 19th out of 80 cities in Shanxi and 500th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.2
Rank in China
1467th of 1843
Rank in Shanxi
63rd of 80

Entire Network (Aggregate)

SNDi value
2.39
Rank in China
500th of 1843
Rank in Shanxi
19th of 80

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
QinEl-Shaikh YoussefSukasari

In new street additions, Qin built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while El-Shaikh Youssef fluctuated in its street-construction patterns and Sukasari built increasingly disconnected streets over time. For the full network, Qin became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while El-Shaikh Youssef fluctuated in connectivity and Sukasari became progressively more disconnected. Qin and Sukasari have been growing further apart in their street-network character since 1975.