Xiaochang in context: Street-network sprawl trends

Xiaochang in context

2.433.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
XiaochangHubei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xiaochang plotted against Hubei and China. The SNDi of new construction in Xiaochang was at its lowest in 1976-1990, compared to Hubei which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Xiaochang's incremental SNDi rose from 2.82 to 3.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xiaochang ranked 39th out of 77 cities in Hubei and 987th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.36
Rank in China
1083rd of 1843
Rank in Hubei
47th of 77

Entire Network (Aggregate)

SNDi value
2.95
Rank in China
987th of 1843
Rank in Hubei
39th of 77

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

What about similarly populated cities?

0.81.62.43.2<19751976–19901991–20052006–2020SNDi of street additions
0.81.62.43.2<19751976–19901991–20052006–2020SNDi of entire street network
XiaochangMuromAbhayapuri

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