Yucheng in context: Street-network sprawl trends

Yucheng in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yucheng plotted against Shandong and China. The SNDi of new construction in Yucheng 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, Yucheng's incremental SNDi rose from 1.58 to 2.54 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yucheng ranked 12th out of 124 cities in Shandong and 60th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.54
Rank in China
543rd of 1843
Rank in Shandong
58th of 124

Entire Network (Aggregate)

SNDi value
1.59
Rank in China
60th of 1843
Rank in Shandong
12th 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
YuchengLabuttaPhu Ly

In new street additions, Yucheng built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Labutta fluctuated in its street-construction patterns and Phủ Lý built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Labutta and Phủ Lý both grew more disconnected from 1975 through 1991-2005, then improved, while Yucheng became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.