Mingshui in context: Street-network sprawl trends

Mingshui 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
MingshuiHeilongjiang (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mingshui plotted against Heilongjiang and China. While Heilongjiang and China both followed a zig-zag trend with an overall increase, Mingshui's new street additions followed a zig-zag trend with an overall increase. Most recently, Mingshui's incremental SNDi rose from 1.65 to 2.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mingshui ranked 16th out of 67 cities in Heilongjiang and 156th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.64
Rank in China
619th of 1843
Rank in Heilongjiang
28th of 67

Entire Network (Aggregate)

SNDi value
1.87
Rank in China
156th of 1843
Rank in Heilongjiang
16th of 67

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
MingshuiLinzhangHofu

In new street additions, Mingshui and Linzhang both fluctuated in its street-construction patterns, while Hofu built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Mingshui fluctuated in connectivity, while Linzhang became progressively more disconnected and Hofu grew more disconnected from 1975 through 1991-2005, then improved. Mingshui and Linzhang have been converging in their street-network character since 1975.