Huangpi in context: Street-network sprawl trends

Huangpi in context

2.83.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
HuangpiHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huangpi plotted against Hubei and China. The SNDi of new construction in Huangpi was at its lowest in 1991-2005, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Huangpi's incremental SNDi rose from 2.98 to 3.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huangpi ranked 74th out of 77 cities in Hubei and 1611th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.55
Rank in China
1175th of 1843
Rank in Hubei
50th of 77

Entire Network (Aggregate)

SNDi value
4.25
Rank in China
1611th of 1843
Rank in Hubei
74th of 77

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
HuangpiPatrasKebri Dehar

In new street additions, Huangpi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Patras fluctuated in its street-construction patterns and Kebri Dehar built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Huangpi became progressively more connected, while Patras became progressively more disconnected and Kebri Dehar became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Huangpi and Patras have been converging in their street-network character since 1975.