The level of street-network sprawl in new development in Antofagasta followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Antofagasta, we can consider two of its most populous cities: Antofagasta and Calama. Out of the two cities, Calama does not follow the same trend as the region. The level of street-network sprawl in new development in Calama was at its lowest in 1976-1990.

How do development practices in Antofagasta fare in comparison to others in Chile? Most recently in 2006-2020, street construction in Antofagasta was the 3rd-most disconnected out of the 16 regions in Chile. Its position in the ranks since 1975 has fallen; relative to other regions in Chile, street construction in Antofagasta has become more connected. Antofagasta ranked 2nd in 1975, 2nd in 1976-1990, 1st in 1991-2005 and 3rd in 2006-2020.

As of 2020, the city with the most disconnected street network in Antofagasta is Calama with an SNDi of 1.93, which is very well-connected. Conversely, the most connected city is Antofagasta with an SNDi of 1.75, which is very well-connected. See trends for these cities: Antofagasta, Calama

The level of street-network sprawl in the aggregate network in Antofagasta followed a zig-zag trend with an overall decrease. To get a sense of how the aggregate street network has changed in Antofagasta, we can consider two of its most populous cities: Antofagasta and Calama. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Antofagasta rose steadily. The level of street-network sprawl in the aggregate network in Calama was at its lowest in 1991-2005.

To date, Antofagasta is the 1st-most disconnected out of the 16 regions in Chile. Its position in the ranks since 1975 has risen; relative to other regions in Chile, the street network in Antofagasta has become more disconnected. Antofagasta ranked 2nd in 1975, 3rd in 1976-1990, 1st in 1991-2005 and 1st in 2006-2020.