Gaocheng in context: Street-network sprawl trends

Gaocheng 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
GaochengHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Gaocheng plotted against Hebei and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Gaocheng's incremental SNDi rose from 2.55 to 3.81 between 1991-2005 and 2006-2020. In terms of the aggregate network, Gaocheng ranked 42nd out of 120 cities in Hebei and 709th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.81
Rank in China
1313th of 1843
Rank in Hebei
81st of 120

Entire Network (Aggregate)

SNDi value
2.65
Rank in China
709th of 1843
Rank in Hebei
42nd of 120

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
GaochengPalopoRayagada

In new street additions, Gaocheng fluctuated in its street-construction patterns, while Palopo built increasingly disconnected streets over time and Rayagada built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Gaocheng and Palopo both became progressively more disconnected, while Rayagada became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Gaocheng and Palopo have been growing further apart in their street-network character since 1975.