Hulunbuir in context: Street-network sprawl trends

Hulunbuir 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
HulunbuirNei Mongol (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Hulunbuir plotted against Nei Mongol and China. The SNDi of new construction in Hulunbuir peaked in 1991-2005, compared to Nei Mongol which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Hulunbuir's incremental SNDi fell from 4.58 to 4.15 between 1991-2005 and 2006-2020. In terms of the aggregate network, Hulunbuir ranked 24th out of 43 cities in Nei Mongol and 1129th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.15
Rank in China
1451st of 1843
Rank in Nei Mongol
38th of 43

Entire Network (Aggregate)

SNDi value
3.14
Rank in China
1129th of 1843
Rank in Nei Mongol
24th of 43

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
HulunbuirCharleroiNancy

Hulunbuir, Charleroi, and Nancy all built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street construction. The same pattern holds for the full street network. Hulunbuir and Charleroi have been growing further apart in their street-network character since 1975.