Bei'an in context: Street-network sprawl trends
Bei'an in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bei'an plotted against Heilongjiang and China. The SNDi of new construction in Bei'an peaked in 1991-2005, compared to Heilongjiang which peaked in 1976-1990 and China which followed a zig-zag trend with an overall increase. Most recently, Bei'an's incremental SNDi fell from 3.32 to 3.17 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bei'an ranked 48th out of 67 cities in Heilongjiang and 919th out of 1843 in China as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 3.17
- Rank in China
- 981st of 1843
- Rank in Heilongjiang
- 36th of 67
Entire Network (Aggregate)
- SNDi value
- 2.87
- Rank in China
- 919th of 1843
- Rank in Heilongjiang
- 48th of 67
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Ulm, Germany
- Sidi Slimane, Morocco
- Baheri, India
- Gurue, Mozambique
- Suifenhe, China
- Tha Chang, Thailand
In new street additions, Bei'an built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Ulm fluctuated in its street-construction patterns and Gurue fluctuated in its street-construction patterns. For the full network, Bei'an and Ulm both became progressively more disconnected, while Gurue became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Bei'an and Gurue have been growing further apart in their street-network character since 1975.