Huangdao District in context: Street-network sprawl trends

Huangdao District in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Huangdao District plotted against Shandong and China. The SNDi of new construction in Huangdao District rose steadily, compared to Shandong which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Huangdao District's incremental SNDi rose from 3.26 to 4.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, Huangdao District ranked 104th out of 124 cities in Shandong and 1324th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
4.1
Rank in China
1435th of 1843
Rank in Shandong
111th of 124

Entire Network (Aggregate)

SNDi value
3.43
Rank in China
1324th of 1843
Rank in Shandong
104th of 124

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
Huangdao DistrictRunisaidpurJiujiang

While Runisaidpur and Jiujiang both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, Huangdao District built increasingly disconnected streets over time in new street additions. Looking at the full network, Runisaidpur and Jiujiang both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Huangdao District became progressively more disconnected. Huangdao District and Runisaidpur have been converging in their street-network character since 1975.