Mayang in context: Street-network sprawl trends

Mayang in context

3.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
3.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
MayangHunan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mayang plotted against Hunan and China. The SNDi of new construction in Mayang peaked in 1991-2005, compared to Hunan which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Mayang's incremental SNDi fell from 5.04 to 4.35 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mayang ranked 84th out of 89 cities in Hunan and 1676th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.35
Rank in China
1496th of 1843
Rank in Hunan
77th of 89

Entire Network (Aggregate)

SNDi value
4.63
Rank in China
1676th of 1843
Rank in Hunan
84th of 89

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
MayangGambatNaudero

While Gambat and Naudero both fluctuated in its street-construction patterns, Mayang built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. Looking at the full network, Gambat and Naudero both fluctuated in connectivity, while Mayang grew more disconnected from 1975 through 1991-2005, then improved. Mayang and Gambat have been growing further apart in their street-network character since 1975.