Kaiyuan in context: Street-network sprawl trends

Kaiyuan in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
KaiyuanLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kaiyuan plotted against Liaoning and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Kaiyuan's incremental SNDi rose from 3.96 to 4.29 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kaiyuan ranked 47th out of 61 cities in Liaoning as of 2020.

New Street Additions (2006–2020)

SNDi value
4.29
Rank in Liaoning
50th of 61

Entire Network (Aggregate)

SNDi value
3.2
Rank in Liaoning
47th of 61

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
KaiyuanPingduKaluga

In new street additions, Kaiyuan fluctuated in its street-construction patterns, while Pingdu built increasingly disconnected streets from 1975 through 1976-1990, then improved and Kaluga built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Kaiyuan and Kaluga both became progressively more disconnected, while Pingdu grew more disconnected from 1975 through 1991-2005, then improved. Kaiyuan and Pingdu have been growing further apart in their street-network character since 1975.