Mianchi in context: Street-network sprawl trends

Mianchi 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
MianchiHenan (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mianchi plotted against Henan and China. While Henan and China both followed a zig-zag trend with an overall increase, Mianchi's new street additions followed a zig-zag trend with an overall decrease. Most recently, Mianchi's incremental SNDi rose from 2.51 to 2.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mianchi ranked 82nd out of 129 cities in Henan and 818th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.76
Rank in China
703rd of 1843
Rank in Henan
81st of 129

Entire Network (Aggregate)

SNDi value
2.77
Rank in China
818th of 1843
Rank in Henan
82nd of 129

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

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
MianchiJadcherlaAthani

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