Dong'e in context: Street-network sprawl trends

Dong'e in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dong'e plotted against Shandong and China. The SNDi of new construction in Dong'e 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, Dong'e's incremental SNDi fell from 1.6 to 1.44 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dong'e ranked 8th out of 124 cities in Shandong and 33rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.44
Rank in China
55th of 1843
Rank in Shandong
6th of 124

Entire Network (Aggregate)

SNDi value
1.42
Rank in China
33rd of 1843
Rank in Shandong
8th 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
Dong'eGranadaBarnsley

In new street additions, Dong'e built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Granada fluctuated in its street-construction patterns and Barnsley built increasingly disconnected streets over time. Looking at the full network, Granada and Barnsley both became progressively more disconnected, while Dong'e grew more disconnected from 1975 through 1991-2005, then improved. Dong'e and Granada have been growing further apart in their street-network character since 1975.