Pingdu in context: Street-network sprawl trends

Pingdu 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
PingduShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pingdu plotted against Shandong and China. The SNDi of new construction in Pingdu peaked 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, Pingdu's incremental SNDi fell from 1.9 to 1.67 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pingdu ranked 19th out of 124 cities in Shandong and 109th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.67
Rank in China
108th of 1843
Rank in Shandong
17th of 124

Entire Network (Aggregate)

SNDi value
1.74
Rank in China
109th of 1843
Rank in Shandong
19th of 124

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
PingduUttar ChandipurKaiyuan

While Uttar Chandipur and Kaiyuan both fluctuated in its street-construction patterns, Pingdu built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. For the full network, Pingdu grew more disconnected from 1975 through 1991-2005, then improved, while Uttar Chandipur fluctuated in connectivity and Kaiyuan became progressively more disconnected. Pingdu and Kaiyuan have been growing further apart in their street-network character since 1975.