Quyang in context: Street-network sprawl trends

Quyang in context

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
QuyangHebei (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Quyang plotted against Hebei and China. The SNDi of new construction in Quyang was at its lowest in 1976-1990, 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, Quyang's incremental SNDi rose from 2.87 to 3.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Quyang ranked 57th out of 120 cities in Hebei and 921st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.49
Rank in China
1145th of 1843
Rank in Hebei
67th of 120

Entire Network (Aggregate)

SNDi value
2.87
Rank in China
921st of 1843
Rank in Hebei
57th of 120

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
QuyangNhamatandaShipu

In new street additions, Quyang built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Nhamatanda built increasingly disconnected streets from 1975 through 1976-1990, then improved and Shipu built increasingly connected streets over time. For the full network, Quyang became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Nhamatanda grew more disconnected from 1975 through 1991-2005, then improved and Shipu became progressively more connected. Notably, Quyang had a more connected network than Nhamatanda in 1975 but the two have since reversed their relative ranking.