Mexicali in context: Street-network sprawl trends

Mexicali in context

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
MexicaliBaja California (Region)Mexico (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Mexicali plotted against Baja California and México. The SNDi of new construction in Mexicali rose steadily, compared to Baja California which followed a zig-zag trend with an overall increase and México which followed a zig-zag trend with an overall increase. Most recently, Mexicali's incremental SNDi rose from 2.61 to 2.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Mexicali ranked 1st out of 7 cities in Baja California and 62nd out of 182 in México as of 2020.

New Street Additions (2006–2020)

SNDi value
2.79
Rank in México
45th of 182
Rank in Baja California
1st of 7

Entire Network (Aggregate)

SNDi value
2.46
Rank in México
62nd of 182
Rank in Baja California
1st of 7

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
MexicaliKotwaliSukkur

Mexicali, Kotwali, and Sukkur all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network. Mexicali and Sukkur have been growing further apart in their street-network character since 1975.