Turbaco in context: Street-network sprawl trends

Turbaco 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
TurbacoBolivar (Region)Colombia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Turbaco plotted against Bolívar and Colombia. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Turbaco's incremental SNDi rose from 3.1 to 3.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Turbaco ranked 5th out of 6 cities in Bolívar and 56th out of 83 in Colombia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.64
Rank in Colombia
45th of 83
Rank in Bolívar
4th of 6

Entire Network (Aggregate)

SNDi value
3.16
Rank in Colombia
56th of 83
Rank in Bolívar
5th of 6

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
TurbacoPapantla de OlarteNyaung-U

While Papantla de Olarte and Nyaung-U both built increasingly disconnected streets over time, Turbaco fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Notably, Turbaco had a more connected network than Nyaung-U in 1975 but the two have since reversed their relative ranking.