Sishui in context: Street-network sprawl trends

Sishui in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sishui plotted against Shandong and China. The SNDi of new construction in Sishui peaked in 1976-1990, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Sishui's incremental SNDi fell from 1.75 to 1.7 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sishui ranked 13th out of 124 cities in Shandong and 61st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.7
Rank in China
118th of 1843
Rank in Shandong
18th of 124

Entire Network (Aggregate)

SNDi value
1.59
Rank in China
61st of 1843
Rank in Shandong
13th of 124

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
SishuiBondoukouMumigunga

In new street additions, Sishui built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Bondoukou fluctuated in its street-construction patterns and Mumigunga built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Sishui and Bondoukou both became progressively more disconnected, while Mumigunga became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Sishui and Mumigunga have been converging in their street-network character since 1975.