Mudanjiang in context: Street-network sprawl trends

Mudanjiang in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
MudanjiangHeilongjiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mudanjiang plotted against Heilongjiang and China. The SNDi of new construction in Mudanjiang peaked in 1976-1990, compared to Heilongjiang which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Mudanjiang's incremental SNDi fell from 3.51 to 3.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mudanjiang ranked 46th out of 67 cities in Heilongjiang and 814th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.11
Rank in China
951st of 1843
Rank in Heilongjiang
35th of 67

Entire Network (Aggregate)

SNDi value
2.76
Rank in China
814th of 1843
Rank in Heilongjiang
46th of 67

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

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
MudanjiangLinfenValparaiso

In new street additions, Mudanjiang built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Linfen fluctuated in its street-construction patterns and Valparaíso fluctuated in its street-construction patterns. For the full network, Mudanjiang and Valparaíso both became progressively more disconnected, while Linfen fluctuated in connectivity.