Poway in context: Street-network sprawl trends

Poway in context

3.244.85.6<19751976–19901991–20052006–2020SNDi of street additions
3.244.85.6<19751976–19901991–20052006–2020SNDi of entire street network
PowayCalifornia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Poway plotted against California and United States. While California and United States both peaked in 1991-2005, Poway's new street additions peaked in 1991-2005. Most recently, Poway's incremental SNDi fell from 5.65 to 4.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Poway ranked 57th out of 60 cities in California and 303rd out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.38
Rank in United States
199th of 333
Rank in California
41st of 60

Entire Network (Aggregate)

SNDi value
4.97
Rank in United States
303rd of 333
Rank in California
57th of 60

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
PowayTagumLhasa

In new street additions, Poway built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Tagum built increasingly disconnected streets over time and Lhasa built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Poway grew more disconnected from 1975 through 1991-2005, then improved, while Tagum became progressively more disconnected and Lhasa became progressively more connected. Poway and Tagum have been converging in their street-network character since 1975.