Hailun in context: Street-network sprawl trends

Hailun in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
HailunHeilongjiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hailun plotted against Heilongjiang and China. While Heilongjiang and China both followed a zig-zag trend with an overall increase, Hailun's new street additions followed a zig-zag trend with an overall increase. Most recently, Hailun's incremental SNDi rose from 1.48 to 2.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hailun ranked 7th out of 67 cities in Heilongjiang and 81st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.36
Rank in China
429th of 1843
Rank in Heilongjiang
16th of 67

Entire Network (Aggregate)

SNDi value
1.66
Rank in China
81st of 1843
Rank in Heilongjiang
7th of 67

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

What about similarly populated cities?

1.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
HailunPecsZhenxiong

In new street additions, Hailun and Zhenxiong both fluctuated in its street-construction patterns, while Pécs built increasingly disconnected streets over time. Looking at the full network, Pécs and Zhenxiong both became progressively more disconnected, while Hailun fluctuated in connectivity.