Xiangyuan in context: Street-network sprawl trends

Xiangyuan in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
XiangyuanShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Xiangyuan plotted against Shanxi and China. The SNDi of new construction in Xiangyuan peaked in 1976-1990, compared to Shanxi which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Xiangyuan's incremental SNDi fell from 2.48 to 1.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Xiangyuan ranked 12th out of 80 cities in Shanxi and 388th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
1.87
Rank in China
189th of 1843
Rank in Shanxi
9th of 80

Entire Network (Aggregate)

SNDi value
2.24
Rank in China
388th of 1843
Rank in Shanxi
12th of 80

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
XiangyuanBillingsTemse

In new street additions, Xiangyuan built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Billings built increasingly disconnected streets over time and Temse built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, Billings and Temse both became progressively more disconnected, while Xiangyuan grew more disconnected from 1975 through 1991-2005, then improved. Xiangyuan and Billings have been converging in their street-network character since 1975.