Lanshan in context: Street-network sprawl trends

Lanshan in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
LanshanShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lanshan plotted against Shandong and China. While Shandong and China both followed a zig-zag trend with an overall increase, Lanshan's new street additions followed a zig-zag trend with an overall increase. Most recently, Lanshan's incremental SNDi rose from 2.33 to 2.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lanshan ranked 74th out of 124 cities in Shandong and 647th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.74
Rank in China
687th of 1843
Rank in Shandong
70th of 124

Entire Network (Aggregate)

SNDi value
2.57
Rank in China
647th of 1843
Rank in Shandong
74th of 124

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
LanshanKahamaFazenda Parque Recreio

In new street additions, Lanshan fluctuated in its street-construction patterns, while Kahama built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Fazenda Parque Recreio built increasingly disconnected streets over time. For the full network, Lanshan fluctuated in connectivity, while Kahama became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Fazenda Parque Recreio became progressively more disconnected. Lanshan and Fazenda Parque Recreio have been growing further apart in their street-network character since 1975.