Coyhaique in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Coyhaique plotted against Aysén del General Ibañez del Cam and Chile. The SNDi of new construction in Coyhaique peaked in 1976-1990, compared to Aysén del General Ibañez del Cam which followed a zig-zag trend with an overall increase and Chile which followed a zig-zag trend with an overall increase. Most recently, Coyhaique's incremental SNDi fell from 2.62 to 2.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Coyhaique ranked 1st out of 1 cities in Aysén del General Ibañez del Cam and 6th out of 38 in Chile as of 2020.

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

What about similarly populated cities?

• Salima, Malawi
• Progreso, México
• Xebat, Iraq
• At Taji, Iraq
• Taba, Nigeria
• M'Diq, Morocco

In new street additions, Coyhaique and Salima both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while At Taji fluctuated in its street-construction patterns. For the full network, Coyhaique became progressively more disconnected, while Salima grew more disconnected from 1975 through 1976-1990, then improved and At Taji fluctuated in connectivity.