Trelew in context: Street-network sprawl trends
Trelew in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Trelew plotted against Chubut and Argentina. The SNDi of new construction in Trelew rose steadily, compared to Chubut which followed a zig-zag trend with an overall increase and Argentina which followed a zig-zag trend with an overall increase. Most recently, Trelew's incremental SNDi rose from 1.32 to 1.6 between 1991-2005 and 2006-2020. In terms of the aggregate network, Trelew ranked 2nd out of 3 cities in Chubut and 6th out of 77 in Argentina as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.6
- Rank in Argentina
- 22nd of 77
- Rank in Chubut
- 2nd of 3
Entire Network (Aggregate)
- SNDi value
- 1.16
- Rank in Argentina
- 6th of 77
- Rank in Chubut
- 2nd of 3
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Jinxi, China
- Lwebo, Democratic Republic of the Congo
- Pithapuram, India
- Welenchete, Ethiopia
- Phyongsan, North Korea
- Jincheng, China
In new street additions, Trelew and Welenchete both built increasingly disconnected streets over time, while Jinxi fluctuated in its street-construction patterns. For the full network, Trelew and Welenchete both became progressively more disconnected, while Jinxi fluctuated in connectivity. Notably, Trelew had a more sprawly network than Jinxi in 1975 but the two have since reversed their relative ranking.