Jinan in context: Street-network sprawl trends

Jinan in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jinan plotted against Shandong and China. The SNDi of new construction in Jinan fell steadily, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Jinan's incremental SNDi fell from 2.94 to 2.76 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jinan ranked 94th out of 124 cities in Shandong and 999th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
2.76
Rank in China
705th of 1843
Rank in Shandong
72nd of 124

Entire Network (Aggregate)

SNDi value
2.97
Rank in China
999th of 1843
Rank in Shandong
94th of 124

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

What about similarly populated cities?

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
JinanKampalaHouston

While Kampala and Houston both built increasingly disconnected streets over time, Jinan built increasingly connected streets over time in new street additions. Looking at the full network, Kampala and Houston both became progressively more disconnected, while Jinan became progressively more connected. Notably, Jinan had a more sprawly network than Houston in 1975 but the two have since reversed their relative ranking.