Buenaventura in context: Street-network sprawl trends

Buenaventura in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
BuenaventuraValle del Cauca (Region)Colombia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Buenaventura plotted against Valle del Cauca and Colombia. The SNDi of new construction in Buenaventura 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, Buenaventura's incremental SNDi fell from 3.71 to 2.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Buenaventura ranked 7th out of 7 cities in Valle del Cauca and 62nd out of 83 in Colombia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.84
Rank in Colombia
31st of 83
Rank in Valle del Cauca
4th of 7

Entire Network (Aggregate)

SNDi value
3.31
Rank in Colombia
62nd of 83
Rank in Valle del Cauca
7th of 7

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
BuenaventuraQingzhouBamenda

In new street additions, Buenaventura built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Qingzhou built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Bamenda built increasingly disconnected streets over time. For the full network, Buenaventura grew more disconnected from 1975 through 1976-1990, then improved, while Qingzhou became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Bamenda became progressively more disconnected. Buenaventura and Bamenda have been growing further apart in their street-network character since 1975.