Ipiales in context: Street-network sprawl trends

Ipiales in context

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
IpialesNarino (Region)Colombia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ipiales plotted against Nariño and Colombia. The SNDi of new construction in Ipiales peaked in 1976-1990, compared to Nariño which followed a zig-zag trend with an overall increase and Colombia which followed a zig-zag trend with an overall increase. Most recently, Ipiales's incremental SNDi fell from 2.88 to 2.61 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ipiales ranked 1st out of 3 cities in Nariño and 45th out of 83 in Colombia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.61
Rank in Colombia
22nd of 83
Rank in Nariño
1st of 3

Entire Network (Aggregate)

SNDi value
2.87
Rank in Colombia
45th of 83
Rank in Nariño
1st of 3

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

What about similarly populated cities?

369<19751976–19901991–20052006–2020SNDi of street additions
369<19751976–19901991–20052006–2020SNDi of entire street network
IpialesKhambhaliyaTunduma

In new street additions, Ipiales built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Khambhaliya built increasingly disconnected streets from 1975 through 1991-2005, then improved and Tunduma built increasingly disconnected streets over time. Looking at the full network, Khambhaliya and Tunduma both became progressively more disconnected, while Ipiales grew more disconnected from 1975 through 1976-1990, then improved. Ipiales and Khambhaliya have been growing further apart in their street-network character since 1975.