Chengde in context: Street-network sprawl trends

Chengde in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Chengde plotted against Hebei and China. The SNDi of new construction in Chengde rose steadily, compared to Hebei which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Chengde's incremental SNDi rose from 3.31 to 3.81 between 1991-2005 and 2006-2020.

New Street Additions (2006–2020)

SNDi value
3.81

Entire Network (Aggregate)

SNDi value
3.12

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

What about similarly populated cities?

0.91.82.73.6<19751976–19901991–20052006–2020SNDi of street additions
0.91.82.73.6<19751976–19901991–20052006–2020SNDi of entire street network
ChengdeLemeBolgatanga

Chengde, Leme, and Bolgatanga all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network.