Anqiu in context: Street-network sprawl trends

Anqiu in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
AnqiuShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anqiu plotted against Shandong and China. The SNDi of new construction in Anqiu peaked in 1991-2005, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Anqiu's incremental SNDi fell from 2.03 to 1.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anqiu ranked 22nd out of 124 cities in Shandong and 114th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.73
Rank in China
128th of 1843
Rank in Shandong
20th of 124

Entire Network (Aggregate)

SNDi value
1.76
Rank in China
114th of 1843
Rank in Shandong
22nd of 124

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
AnqiuMatsuyamaMaroua

In new street additions, Anqiu built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Matsuyama built increasingly disconnected streets from 1975 through 1976-1990, then improved and Maroua built increasingly disconnected streets over time. For the full network, Anqiu and Matsuyama both grew more disconnected from 1975 through 1991-2005, then improved, while Maroua became progressively more disconnected. Anqiu and Matsuyama have been converging in their street-network character since 1975.