Guadalajara in context: Street-network sprawl trends

Guadalajara in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
GuadalajaraJalisco (Region)Mexico (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Guadalajara plotted against Jalisco and México. The SNDi of new construction in Guadalajara rose steadily, compared to Jalisco which rose steadily and México which followed a zig-zag trend with an overall increase. Most recently, Guadalajara's incremental SNDi rose from 3.87 to 4.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Guadalajara ranked 8th out of 9 cities in Jalisco and 128th out of 182 in México as of 2020.

New Street Additions (2006–2020)

SNDi value
4.93
Rank in México
150th of 182
Rank in Jalisco
9th of 9

Entire Network (Aggregate)

SNDi value
3.16
Rank in México
128th of 182
Rank in Jalisco
8th of 9

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
GuadalajaraFaisalabadOnitsha

In new street additions, Guadalajara and Faisalabad both built increasingly disconnected streets over time, while Onitsha built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full street network, though, all three cities follow the same trend. Guadalajara and Faisalabad have been growing further apart in their street-network character since 1975.