Yakeshi/Yaysi in context: Street-network sprawl trends

Yakeshi/Yaysi in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
Yakeshi/YaysiNei Mongol (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yakeshi/Yaysi plotted against Nei Mongol and China. The SNDi of new construction in Yakeshi/Yaysi 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, Yakeshi/Yaysi's incremental SNDi fell from 3.47 to 2.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yakeshi/Yaysi ranked 19th out of 43 cities in Nei Mongol and 945th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.8
Rank in China
740th of 1843
Rank in Nei Mongol
17th of 43

Entire Network (Aggregate)

SNDi value
2.9
Rank in China
945th of 1843
Rank in Nei Mongol
19th of 43

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
Yakeshi/YaysiBatticaloaWollongong

In new street additions, Yakeshi/Yaysi and Wollongong both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Batticaloa fluctuated in its street-construction patterns. Looking at the full network, Batticaloa and Wollongong both became progressively more disconnected, while Yakeshi/Yaysi grew more disconnected from 1975 through 1991-2005, then improved. Yakeshi/Yaysi and Batticaloa have been converging in their street-network character since 1975.