Wuhe in context: Street-network sprawl trends

Wuhe in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
WuheAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Wuhe plotted against Anhui and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Wuhe's incremental SNDi rose from 1.5 to 1.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Wuhe ranked 9th out of 74 cities in Anhui and 134th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.92
Rank in China
212th of 1843
Rank in Anhui
19th of 74

Entire Network (Aggregate)

SNDi value
1.81
Rank in China
134th of 1843
Rank in Anhui
9th of 74

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
WuheMarandLezhi

In new street additions, Wuhe and Lezhi both fluctuated in its street-construction patterns, while Marand built increasingly disconnected streets over time. For the full network, Wuhe fluctuated in connectivity, while Marand became progressively more disconnected and Lezhi grew more disconnected from 1975 through 1976-1990, then improved. Wuhe and Marand have been growing further apart in their street-network character since 1975.