Bayannur in context: Street-network sprawl trends

Bayannur in context

3.23.644.4<19751976–19901991–20052006–2020SNDi of street additions
3.23.644.4<19751976–19901991–20052006–2020SNDi of entire street network
BayannurNei Mongol (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bayannur plotted against Nei Mongol and China. The SNDi of new construction in Bayannur 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, Bayannur's incremental SNDi fell from 3.7 to 3.68 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bayannur ranked 32nd out of 43 cities in Nei Mongol and 1311th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.68
Rank in China
1241st of 1843
Rank in Nei Mongol
32nd of 43

Entire Network (Aggregate)

SNDi value
3.4
Rank in China
1311th of 1843
Rank in Nei Mongol
32nd of 43

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
BayannurMurciaPort Moresby

In new street additions, Bayannur and Port Moresby both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Murcia built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Bayannur and Murcia have been converging in their street-network character since 1975.