Yexie in context: Street-network sprawl trends

Yexie in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
YexieShanghai (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yexie plotted against Shanghai and China. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Yexie's incremental SNDi rose from 4.94 to 5.19 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yexie ranked 11th out of 11 cities in Shanghai and 1741st out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
5.19
Rank in China
1666th of 1843
Rank in Shanghai
11th of 11

Entire Network (Aggregate)

SNDi value
5.19
Rank in China
1741st of 1843
Rank in Shanghai
11th of 11

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
YexieSan JoseKrusevac

In new street additions, Yexie fluctuated in its street-construction patterns, while San Jose built increasingly disconnected streets over time and Kruševac built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Yexie fluctuated in connectivity, while San Jose became progressively more disconnected and Kruševac grew more disconnected from 1975 through 1991-2005, then improved.