Donghe in context: Street-network sprawl trends
Donghe in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Donghe plotted against Nei Mongol and China. The SNDi of new construction in Donghe peaked in 1976-1990, compared to Nei Mongol which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Donghe's incremental SNDi fell from 4.14 to 3.54 between 1991-2005 and 2006-2020. In terms of the aggregate network, Donghe ranked 37th out of 43 cities in Nei Mongol and 1464th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.54
- Rank in China
- 1167th of 1843
- Rank in Nei Mongol
- 30th of 43
Entire Network (Aggregate)
- SNDi value
- 3.69
- Rank in China
- 1464th of 1843
- Rank in Nei Mongol
- 37th of 43
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
In new street additions, Donghe and Puyang both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Winnipeg built increasingly disconnected streets over time. For the full network, Donghe and Puyang both grew more disconnected from 1975 through 1991-2005, then improved, while Winnipeg became progressively more disconnected. Donghe and Puyang have been converging in their street-network character since 1975.