Linkou in context: Street-network sprawl trends

Linkou 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
LinkouHeilongjiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Linkou plotted against Heilongjiang and China. The SNDi of new construction in Linkou 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, Linkou's incremental SNDi fell from 4.39 to 3.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Linkou ranked 60th out of 67 cities in Heilongjiang and 1259th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.6
Rank in China
1189th of 1843
Rank in Heilongjiang
40th of 67

Entire Network (Aggregate)

SNDi value
3.31
Rank in China
1259th of 1843
Rank in Heilongjiang
60th of 67

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
LinkouMagburakaNkoranza

In new street additions, Linkou built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Magburaka built increasingly disconnected streets over time and Nkoranza fluctuated in its street-construction patterns. For the full network, Linkou grew more disconnected from 1975 through 1991-2005, then improved, while Magburaka became progressively more disconnected and Nkoranza fluctuated in connectivity. Linkou and Magburaka have been growing further apart in their street-network character since 1975.