Popayán in context: Street-network sprawl trends

Popayan in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
PopayanCauca (Region)Colombia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Popayán plotted against Cauca and Colombia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Popayán's incremental SNDi rose from 3.61 to 4.63 between 1991-2005 and 2006-2020. In terms of the aggregate network, Popayán ranked 1st out of 3 cities in Cauca and 52nd out of 83 in Colombia as of 2020.

New Street Additions (2006–2020)

SNDi value
4.63
Rank in Colombia
62nd of 83
Rank in Cauca
2nd of 3

Entire Network (Aggregate)

SNDi value
3.07
Rank in Colombia
52nd of 83
Rank in Cauca
1st of 3

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
PopayanObuasiMatta

In new street additions, Popayán and Obuasi both fluctuated in its street-construction patterns, while Matta fluctuated in its street-construction patterns. For the full network, Popayán became progressively more disconnected, while Obuasi fluctuated in connectivity and Matta fluctuated in connectivity. Popayán and Obuasi have been converging in their street-network character since 1975.