Tacna in context: Street-network sprawl trends
Tacna in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tacna plotted against Peru. The SNDi of new construction in Tacna fell steadily, while Peru followed a zig-zag trend with an overall increase. Most recently, Tacna's incremental SNDi fell from 1.57 to 1.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tacna ranked 5th out of 43 in Peru as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 1.33
- Rank in Peru
- 2nd of 43
Entire Network (Aggregate)
- SNDi value
- 1.67
- Rank in Peru
- 5th of 43
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Danzhou City, China
- Kafr Al-Zaiyat, Egypt
- Oruro, Bolivia
- Coatzacoalcos, México
- Al-Qadarif, Sudan
- Lucena, Philippines
While Danzhou City and Coatzacoalcos both fluctuated in its street-construction patterns, Tacna built increasingly connected streets over time in new street additions. For the full network, Tacna became progressively more connected, while Danzhou City fluctuated in connectivity and Coatzacoalcos became progressively more disconnected. Notably, Tacna had a more sprawly network than Coatzacoalcos in 1975 but the two have since reversed their relative ranking.