Antioch in context: Street-network sprawl trends

Antioch 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
AntiochCalifornia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Antioch plotted against California and United States. The SNDi of new construction in Antioch peaked in 1976-1990, compared to California which peaked in 1976-1990 and United States which peaked in 1991-2005. Most recently, Antioch's incremental SNDi fell from 4.62 to 4.23 between 1991-2005 and 2006-2020. In terms of the aggregate network, Antioch ranked 44th out of 60 cities in California and 262nd out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.23
Rank in United States
182nd of 333
Rank in California
36th of 60

Entire Network (Aggregate)

SNDi value
4.13
Rank in United States
262nd of 333
Rank in California
44th of 60

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
AntiochKasamaYamagata

In new street additions, Antioch and Yamagata both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Kasama built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend.