Quito in context: Street-network sprawl trends

Quito in context

2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.46.3<19751976–19901991–20052006–2020SNDi of entire street network
QuitoPichincha (Region)Ecuador (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Quito plotted against Pichincha and Ecuador. The SNDi of new construction in Quito peaked in 1976-1990, compared to Pichincha which followed a zig-zag trend with an overall increase and Ecuador which followed a zig-zag trend with an overall decrease. Most recently, Quito's incremental SNDi fell from 4.37 to 4.36 between 1991-2005 and 2006-2020. In terms of the aggregate network, Quito ranked 2nd out of 3 cities in Pichincha and 32nd out of 34 in Ecuador as of 2020.

New Street Additions (2006–2020)

SNDi value
4.36
Rank in Ecuador
32nd of 34
Rank in Pichincha
2nd of 3

Entire Network (Aggregate)

SNDi value
4.34
Rank in Ecuador
32nd of 34
Rank in Pichincha
2nd of 3

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
QuitoPhiladelphiaDallas

In new street additions, Quito built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Philadelphia fluctuated in its street-construction patterns and Dallas built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.