Baicheng in context: Street-network sprawl trends

Baicheng in context

3.244.8<19751976–19901991–20052006–2020SNDi of street additions
3.244.8<19751976–19901991–20052006–2020SNDi of entire street network
BaichengJilin (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Baicheng plotted against Jilin and China. The SNDi of new construction in Baicheng peaked in 1976-1990, compared to Jilin which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Baicheng's incremental SNDi fell from 5.05 to 4.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Baicheng ranked 43rd out of 47 cities in Jilin and 1525th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.14
Rank in China
1449th of 1843
Rank in Jilin
33rd of 47

Entire Network (Aggregate)

SNDi value
3.91
Rank in China
1525th of 1843
Rank in Jilin
43rd of 47

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
BaichengIseyinRanipet

In new street additions, Baicheng built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Iseyin fluctuated in its street-construction patterns and Ranipet built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Baicheng and Iseyin have been growing further apart in their street-network character since 1975.