Raoyang in context: Street-network sprawl trends

Raoyang in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
RaoyangGuangdong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Raoyang plotted against Guangdong and China. The SNDi of new construction in Raoyang peaked in 1976-1990, compared to Guangdong which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Raoyang's incremental SNDi fell from 5.69 to 5.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Raoyang ranked 127th out of 133 cities in Guangdong and 1812th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.22
Rank in China
1667th of 1843
Rank in Guangdong
107th of 133

Entire Network (Aggregate)

SNDi value
6.67
Rank in China
1812th of 1843
Rank in Guangdong
127th of 133

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
RaoyangSikandraChortoq

In new street additions, Raoyang and Sikandra both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Chortoq built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Sikandra and Chortoq both grew more disconnected from 1975 through 1991-2005, then improved, while Raoyang grew more disconnected from 1975 through 1976-1990, then improved. Raoyang and Sikandra have been converging in their street-network character since 1975.