Tuluá in context: Street-network sprawl trends

Tulua in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
TuluaValle del Cauca (Region)Colombia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tuluá plotted against Valle del Cauca and Colombia. The SNDi of new construction in Tuluá peaked in 1976-1990, compared to Valle del Cauca which followed a zig-zag trend with an overall increase and Colombia which followed a zig-zag trend with an overall increase. Most recently, Tuluá's incremental SNDi fell from 1.97 to 1.96 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tuluá ranked 1st out of 7 cities in Valle del Cauca and 7th out of 83 in Colombia as of 2020.

New Street Additions (2006–2020)

SNDi value
1.96
Rank in Colombia
7th of 83
Rank in Valle del Cauca
1st of 7

Entire Network (Aggregate)

SNDi value
1.75
Rank in Colombia
7th of 83
Rank in Valle del Cauca
1st of 7

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
TuluaCuautlaNizhny Tagil

While Cuautla and Nizhny Tagil both fluctuated in its street-construction patterns, Tuluá built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. For the full street network, though, all three cities follow the same trend.