Liangcheng in context: Street-network sprawl trends

Liangcheng in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
LiangchengNei Mongol (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Liangcheng plotted against Nei Mongol and China. The SNDi of new construction in Liangcheng was at its lowest in 1976-1990, compared to Nei Mongol which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Liangcheng's incremental SNDi rose from 3.24 to 3.28 between 1991-2005 and 2006-2020. In terms of the aggregate network, Liangcheng ranked 23rd out of 43 cities in Nei Mongol and 1113th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.28
Rank in China
1035th of 1843
Rank in Nei Mongol
24th of 43

Entire Network (Aggregate)

SNDi value
3.11
Rank in China
1113th of 1843
Rank in Nei Mongol
23rd of 43

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
LiangchengJendoubaPortland

In new street additions, Liangcheng built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Jendouba fluctuated in its street-construction patterns and Portland built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Liangcheng became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Jendouba fluctuated in connectivity and Portland became progressively more disconnected.