Changle in context: Street-network sprawl trends

Changle in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
ChangleShandong (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Changle plotted against Shandong and China. The SNDi of new construction in Changle 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, Changle's incremental SNDi fell from 3.01 to 2.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Changle ranked 117th out of 124 cities in Shandong and 1531st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.94
Rank in China
834th of 1843
Rank in Shandong
81st of 124

Entire Network (Aggregate)

SNDi value
3.93
Rank in China
1531st of 1843
Rank in Shandong
117th 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
ChangleUpataBitkine

In new street additions, Changle built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Upata fluctuated in its street-construction patterns and Bitkine built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Changle grew more disconnected from 1975 through 1976-1990, then improved, while Upata fluctuated in connectivity and Bitkine became progressively more disconnected. Changle and Upata have been converging in their street-network character since 1975.