Pingyin in context: Street-network sprawl trends

Pingyin in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
PingyinShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pingyin plotted against Shandong and China. The SNDi of new construction in Pingyin 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, Pingyin's incremental SNDi rose from 2.22 to 2.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pingyin ranked 41st out of 124 cities in Shandong and 239th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.65
Rank in China
630th of 1843
Rank in Shandong
66th of 124

Entire Network (Aggregate)

SNDi value
2.01
Rank in China
239th of 1843
Rank in Shandong
41st of 124

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
PingyinMontego BayNinh Binh

In new street additions, Pingyin built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Montego Bay built increasingly disconnected streets over time and Ninh Bình built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Pingyin and Montego Bay both became progressively more disconnected, while Ninh Bình grew more disconnected from 1975 through 1991-2005, then improved.