Riverside in context: Street-network sprawl trends

Riverside 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
RiversideCalifornia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Riverside plotted against California and United States. The SNDi of new construction in Riverside rose steadily, compared to California which peaked in 1976-1990 and United States which peaked in 1991-2005. Most recently, Riverside's incremental SNDi rose from 4.19 to 5.03 between 1991-2005 and 2006-2020. In terms of the aggregate network, Riverside ranked 31st out of 60 cities in California and 220th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
5.03
Rank in United States
258th of 333
Rank in California
52nd of 60

Entire Network (Aggregate)

SNDi value
3.65
Rank in United States
220th of 333
Rank in California
31st of 60

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

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
RiversideZouchengGulin

While Zoucheng and Gulin both fluctuated in its street-construction patterns, Riverside built increasingly disconnected streets over time in new street additions. For the full network, Riverside became progressively more disconnected, while Zoucheng grew more disconnected from 1975 through 1991-2005, then improved and Gulin fluctuated in connectivity. Riverside and Zoucheng have been growing further apart in their street-network character since 1975.