Huojia in context: Street-network sprawl trends

Huojia 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
HuojiaHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huojia plotted against Henan and China. The SNDi of new construction in Huojia fell steadily, compared to Henan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Huojia's incremental SNDi fell from 2.59 to 2.3 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huojia ranked 74th out of 129 cities in Henan and 738th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.3
Rank in China
395th of 1843
Rank in Henan
56th of 129

Entire Network (Aggregate)

SNDi value
2.68
Rank in China
738th of 1843
Rank in Henan
74th of 129

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
HuojiaErechimAnyuan

In new street additions, Huojia built increasingly connected streets over time, while Erechim fluctuated in its street-construction patterns and Anyuan built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Huojia became progressively more connected, while Erechim became progressively more disconnected and Anyuan grew more disconnected from 1975 through 1991-2005, then improved. Notably, Huojia had a more sprawly network than Anyuan in 1975 but the two have since reversed their relative ranking.