San Fernando 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 San Fernando plotted against Libertador General Bernardo O'Hi and Chile. The SNDi of new construction in San Fernando rose steadily, compared to Libertador General Bernardo O'Hi which rose steadily and Chile which followed a zig-zag trend with an overall increase. Most recently, San Fernando's incremental SNDi rose from 3.36 to 3.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, San Fernando ranked 1st out of 2 cities in Libertador General Bernardo O'Hi and 27th 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?

• Fredrikstad, Norway
• Hasanpura, India
• Ozumba de Alzate, México
• Al-Rastan, Syria
• Tanguieta, Benin
• Selebi Phikwe, Botswana

In new street additions, San Fernando built increasingly disconnected streets over time, while Fredrikstad built increasingly disconnected streets from 1975 through 1991-2005, then improved and Al-Rastan built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Notably, San Fernando had a more connected network than Al-Rastan in 1975 but the two have since reversed their relative ranking.