Huining in context: Street-network sprawl trends

Huining 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
HuiningGansu (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huining plotted against Gansu and China. The SNDi of new construction in Huining peaked in 1991-2005, compared to Gansu which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Huining's incremental SNDi fell from 3.69 to 3.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huining ranked 9th out of 29 cities in Gansu and 1291st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.37
Rank in China
1091st of 1843
Rank in Gansu
9th of 29

Entire Network (Aggregate)

SNDi value
3.38
Rank in China
1291st of 1843
Rank in Gansu
9th of 29

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

What about similarly populated cities?

1.62.43.2<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.2<19751976–19901991–20052006–2020SNDi of entire street network
HuiningIreceWolomin

In new street additions, Huining built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Irecê built increasingly disconnected streets from 1975 through 1976-1990, then improved and Wołomin built increasingly disconnected streets over time. Looking at the full network, Irecê and Wołomin both became progressively more disconnected, while Huining grew more disconnected from 1975 through 1991-2005, then improved. Huining and Irecê have been growing further apart in their street-network character since 1975.