峄城区 in context: Street-network sprawl trends

Yi Cheng Qu in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Yi Cheng Qu Shandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with 峄城区 plotted against Shandong and China. The SNDi of new construction in 峄城区 rose steadily, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, 峄城区's incremental SNDi rose from 3.49 to 4.06 between 1991-2005 and 2006-2020. In terms of the aggregate network, 峄城区 ranked 91st out of 124 cities in Shandong and 927th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.06
Rank in China
1421st of 1843
Rank in Shandong
109th of 124

Entire Network (Aggregate)

SNDi value
2.88
Rank in China
927th of 1843
Rank in Shandong
91st of 124

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
Yi Cheng Qu HalaBirnin Gwari

While Hala and Birnin Gwari both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, 峄城区 built increasingly disconnected streets over time in new street additions. For the full network, 峄城区 became progressively more disconnected, while Hala became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Birnin Gwari became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. 峄城区 and Birnin Gwari have been converging in their street-network character since 1975.