Yeji District in context: Street-network sprawl trends

Yeji District in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
Yeji DistrictAnhui (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yeji District plotted against Anhui and China. The SNDi of new construction in Yeji District rose steadily, compared to Anhui which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Yeji District's incremental SNDi rose from 2.11 to 2.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yeji District ranked 27th out of 74 cities in Anhui and 437th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.69
Rank in China
645th of 1843
Rank in Anhui
36th of 74

Entire Network (Aggregate)

SNDi value
2.3
Rank in China
437th of 1843
Rank in Anhui
27th of 74

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Yeji DistrictTarkwaLipu

In new street additions, Yeji District built increasingly disconnected streets over time, while Tarkwa fluctuated in its street-construction patterns and Lipu built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Yeji District and Tarkwa both became progressively more disconnected, while Lipu grew more disconnected from 1975 through 1976-1990, then improved. Yeji District and Lipu have been converging in their street-network character since 1975.