Huangyuan in context: Street-network sprawl trends

Huangyuan in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
HuangyuanQinghai (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huangyuan plotted against Qinghai and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Huangyuan's incremental SNDi rose from 1.66 to 3.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huangyuan ranked 2nd out of 10 cities in Qinghai and 230th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.11
Rank in China
948th of 1843
Rank in Qinghai
8th of 10

Entire Network (Aggregate)

SNDi value
2.0
Rank in China
230th of 1843
Rank in Qinghai
2nd of 10

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
HuangyuanTikabWalewale

In new street additions, Huangyuan fluctuated in its street-construction patterns, while Tikab built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Walewale built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Huangyuan fluctuated in connectivity, while Tikab became progressively more connected and Walewale became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Huangyuan and Tikab have been converging in their street-network character since 1975.