Palmdale in context: Street-network sprawl trends

Palmdale in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
PalmdaleCalifornia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Palmdale plotted against California and United States. The SNDi of new construction in Palmdale was at its lowest in 1976-1990, compared to California which peaked in 1976-1990 and United States which peaked in 1991-2005. Most recently, Palmdale's incremental SNDi rose from 4.45 to 4.93 between 1991-2005 and 2006-2020. In terms of the aggregate network, Palmdale ranked 47th out of 60 cities in California and 276th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.93
Rank in United States
247th of 333
Rank in California
49th of 60

Entire Network (Aggregate)

SNDi value
4.3
Rank in United States
276th of 333
Rank in California
47th of 60

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
PalmdaleImabariLiberec

In new street additions, Palmdale built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Imabari built increasingly disconnected streets from 1975 through 1976-1990, then improved and Liberec built increasingly disconnected streets over time. Looking at the full network, Imabari and Liberec both became progressively more disconnected, while Palmdale became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.