Zhaodong in context: Street-network sprawl trends

Zhaodong in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
ZhaodongHeilongjiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Zhaodong plotted against Heilongjiang and China. While Heilongjiang and China both followed a zig-zag trend with an overall increase, Zhaodong's new street additions followed a zig-zag trend with an overall increase. Most recently, Zhaodong's incremental SNDi rose from 3.03 to 3.86 between 1991-2005 and 2006-2020. In terms of the aggregate network, Zhaodong ranked 50th out of 67 cities in Heilongjiang and 1018th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.86
Rank in China
1336th of 1843
Rank in Heilongjiang
47th of 67

Entire Network (Aggregate)

SNDi value
2.99
Rank in China
1018th of 1843
Rank in Heilongjiang
50th of 67

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
ZhaodongGonderKendari

While Gonder and Kendari both built increasingly disconnected streets over time, Zhaodong fluctuated in its street-construction patterns in new street additions. Looking at the full network, Gonder and Kendari both became progressively more disconnected, while Zhaodong fluctuated in connectivity. Notably, Zhaodong had a more sprawly network than Gonder in 1975 but the two have since reversed their relative ranking.