Santa Rosa in context: Street-network sprawl trends

Santa Rosa in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
Santa RosaCalifornia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Santa Rosa plotted against California and United States. The SNDi of new construction in Santa Rosa peaked in 1976-1990, compared to California which peaked in 1976-1990 and United States which peaked in 1991-2005. Most recently, Santa Rosa's incremental SNDi fell from 4.24 to 3.73 between 1991-2005 and 2006-2020. In terms of the aggregate network, Santa Rosa ranked 36th out of 60 cities in California and 238th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
3.73
Rank in United States
109th of 333
Rank in California
15th of 60

Entire Network (Aggregate)

SNDi value
3.81
Rank in United States
238th of 333
Rank in California
36th of 60

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
Santa RosakazaureTindivanam

In new street additions, Santa Rosa built increasingly disconnected streets from 1975 through 1976-1990, then improved, while kazaure fluctuated in its street-construction patterns and Tindivanam built increasingly disconnected streets from 1975 through 1991-2005, then improved. Looking at the full network, kazaure and Tindivanam both became progressively more disconnected, while Santa Rosa grew more disconnected from 1975 through 1991-2005, then improved. Santa Rosa and Tindivanam have been growing further apart in their street-network character since 1975.