Mashan in context: Street-network sprawl trends

Mashan in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mashan plotted against Shandong and China. The SNDi of new construction in Mashan peaked in 1976-1990, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Mashan's incremental SNDi fell from 4.21 to 3.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mashan ranked 109th out of 124 cities in Shandong and 1363rd out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.36
Rank in China
1085th of 1843
Rank in Shandong
95th of 124

Entire Network (Aggregate)

SNDi value
3.49
Rank in China
1363rd of 1843
Rank in Shandong
109th of 124

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
MashanBelize CityPervouralsk

While Belize City and Pervouralsk both built increasingly disconnected streets over time, Mashan built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. Looking at the full network, Belize City and Pervouralsk both became progressively more disconnected, while Mashan grew more disconnected from 1975 through 1991-2005, then improved. Mashan and Belize City have been converging in their street-network character since 1975.