Baoshan in context: Street-network sprawl trends

Baoshan in context

2.533.544.5<19751976–19901991–20052006–2020SNDi of street additions
2.533.544.5<19751976–19901991–20052006–2020SNDi of entire street network
BaoshanHeilongjiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Baoshan plotted against Heilongjiang and China. While Heilongjiang and China both followed a zig-zag trend with an overall increase, Baoshan's new street additions followed a zig-zag trend with an overall increase. Most recently, Baoshan's incremental SNDi rose from 3.33 to 3.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Baoshan ranked 61st out of 67 cities in Heilongjiang as of 2020.

New Street Additions (2006–2020)

SNDi value
3.68
Rank in Heilongjiang
43rd of 67

Entire Network (Aggregate)

SNDi value
3.4
Rank in Heilongjiang
61st of 67

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

What about similarly populated cities?

2.43.24<19751976–19901991–20052006–2020SNDi of street additions
2.43.24<19751976–19901991–20052006–2020SNDi of entire street network
BaoshanPhulpurDunedin

In new street additions, Baoshan fluctuated in its street-construction patterns, while Phulpur fluctuated in its street-construction patterns and Dunedin built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Baoshan and Dunedin both became progressively more disconnected, while Phulpur fluctuated in connectivity. Baoshan and Phulpur have been converging in their street-network character since 1975.