Lichuan in context: Street-network sprawl trends

Lichuan 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
LichuanHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lichuan plotted against Hubei and China. The SNDi of new construction in Lichuan rose steadily, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Lichuan's incremental SNDi rose from 4.28 to 4.53 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lichuan ranked 64th out of 77 cities in Hubei and 1422nd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.53
Rank in China
1542nd of 1843
Rank in Hubei
71st of 77

Entire Network (Aggregate)

SNDi value
3.61
Rank in China
1422nd of 1843
Rank in Hubei
64th of 77

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
LichuanAraucariaFokinskii raion

Lichuan, Araucária, and Фокинский район all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Lichuan and Araucária have been growing further apart in their street-network character since 1975.