毕家村 in context: Street-network sprawl trends

Bi Jia Cun in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
Bi Jia Cun Tianjin (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with 毕家村 plotted against Tianjin and China. The SNDi of new construction in 毕家村 was at its lowest in 1976-1990, compared to Tianjin which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, 毕家村's incremental SNDi rose from 1.92 to 2.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, 毕家村 ranked 1st out of 16 cities in Tianjin and 511th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.79
Rank in China
733rd of 1843
Rank in Tianjin
2nd of 16

Entire Network (Aggregate)

SNDi value
2.4
Rank in China
511th of 1843
Rank in Tianjin
1st of 16

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
Bi Jia Cun AzulCollo

In new street additions, 毕家村 built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Azul fluctuated in its street-construction patterns and Collo built increasingly disconnected streets over time. Looking at the full network, Azul and Collo both became progressively more disconnected, while 毕家村 became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. 毕家村 and Collo have been growing further apart in their street-network character since 1975.