Qufu in context: Street-network sprawl trends

Qufu in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
QufuShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Qufu plotted against Shandong and China. The SNDi of new construction in Qufu rose steadily, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Qufu's incremental SNDi rose from 4.31 to 5.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Qufu ranked 116th out of 124 cities in Shandong and 1498th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.25
Rank in China
1670th of 1843
Rank in Shandong
123rd of 124

Entire Network (Aggregate)

SNDi value
3.82
Rank in China
1498th of 1843
Rank in Shandong
116th of 124

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
QufuCenxiBirnin Kebbi

In new street additions, Qufu built increasingly disconnected streets over time, while Cenxi built increasingly disconnected streets from 1975 through 1976-1990, then improved and Birnin Kebbi fluctuated in its street-construction patterns. For the full network, Qufu became progressively more disconnected, while Cenxi grew more disconnected from 1975 through 1991-2005, then improved and Birnin Kebbi fluctuated in connectivity. Qufu and Birnin Kebbi have been growing further apart in their street-network character since 1975.