Qijiang in context: Street-network sprawl trends

Qijiang in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
QijiangChongqing (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qijiang plotted against Chongqing and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Qijiang's incremental SNDi rose from 3.47 to 4.99 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qijiang ranked 29th out of 47 cities in Chongqing and 1586th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.99
Rank in China
1631st of 1843
Rank in Chongqing
32nd of 47

Entire Network (Aggregate)

SNDi value
4.15
Rank in China
1586th of 1843
Rank in Chongqing
29th of 47

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
QijiangKousseriHojai

In new street additions, Qijiang fluctuated in its street-construction patterns, while Kousseri built increasingly disconnected streets from 1975 through 1976-1990, then improved and Hojai built increasingly disconnected streets over time. For the full network, Qijiang fluctuated in connectivity, while Kousseri grew more disconnected from 1975 through 1976-1990, then improved and Hojai became progressively more disconnected. Notably, Qijiang had a more connected network than Hojai in 1975 but the two have since reversed their relative ranking.