Shahe in context: Street-network sprawl trends

Shahe in context

33.544.5<19751976–19901991–20052006–2020SNDi of street additions
33.544.5<19751976–19901991–20052006–2020SNDi of entire street network
ShaheHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shahe plotted against Hebei and China. The SNDi of new construction in Shahe peaked in 1991-2005, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Shahe's incremental SNDi fell from 3.37 to 2.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shahe ranked 59th out of 120 cities in Hebei as of 2020.

New Street Additions (2006–2020)

SNDi value
2.8
Rank in Hebei
40th of 120

Entire Network (Aggregate)

SNDi value
2.89
Rank in Hebei
59th of 120

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
ShaheYamoussoukroMatala

In new street additions, Shahe built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Yamoussoukro built increasingly disconnected streets over time and Matala fluctuated in its street-construction patterns. For the full network, Shahe grew more disconnected from 1975 through 1991-2005, then improved, while Yamoussoukro became progressively more disconnected and Matala became progressively more connected. Notably, Shahe had a more connected network than Matala in 1975 but the two have since reversed their relative ranking.