Yanggu in context: Street-network sprawl trends

Yanggu in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
YangguShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yanggu plotted against Shandong and China. The SNDi of new construction in Yanggu was at its lowest in 1976-1990, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Yanggu's incremental SNDi rose from 1.57 to 2.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yanggu ranked 15th out of 124 cities in Shandong and 67th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.04
Rank in China
269th of 1843
Rank in Shandong
34th of 124

Entire Network (Aggregate)

SNDi value
1.61
Rank in China
67th of 1843
Rank in Shandong
15th of 124

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

What about similarly populated cities?

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
YangguHuairenCamacari

While Huairen and Camaçari both fluctuated in its street-construction patterns, Yanggu built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. For the full network, Yanggu became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Huairen grew more disconnected from 1975 through 1976-1990, then improved and Camaçari became progressively more disconnected.