Lantian in context: Street-network sprawl trends

Lantian in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
LantianShaanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lantian plotted against Shaanxi and China. The SNDi of new construction in Lantian rose steadily, compared to Shaanxi which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Lantian's incremental SNDi rose from 2.17 to 3.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lantian ranked 17th out of 62 cities in Shaanxi and 525th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.47
Rank in China
1138th of 1843
Rank in Shaanxi
44th of 62

Entire Network (Aggregate)

SNDi value
2.43
Rank in China
525th of 1843
Rank in Shaanxi
17th of 62

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
LantianNawalgarhDoda

In new street additions, Lantian and Nawalgarh both built increasingly disconnected streets over time, while Doda built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Lantian and Nawalgarh both became progressively more disconnected, while Doda fluctuated in connectivity. Lantian and Nawalgarh have been growing further apart in their street-network character since 1975.