Dai in context: Street-network sprawl trends

Dai in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
DaiShanxi (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dai plotted against Shanxi and China. The SNDi of new construction in Dai rose steadily, 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, Dai's incremental SNDi rose from 4.77 to 4.89 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dai ranked 57th out of 80 cities in Shanxi and 1343rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.89
Rank in China
1614th of 1843
Rank in Shanxi
73rd of 80

Entire Network (Aggregate)

SNDi value
3.46
Rank in China
1343rd of 1843
Rank in Shanxi
57th of 80

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
DaiTres CoracoesSaifni

In new street additions, Dai built increasingly disconnected streets over time, while Três Corações built increasingly disconnected streets from 1975 through 1991-2005, then improved and Saifni built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Dai and Três Corações both became progressively more disconnected, while Saifni grew more disconnected from 1975 through 1976-1990, then improved. Dai and Saifni have been converging in their street-network character since 1975.