Jacksonville Beach in context: Street-network sprawl trends

Jacksonville Beach in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
Jacksonville BeachFlorida (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jacksonville Beach plotted against Florida and United States. While Florida and United States both peaked in 1991-2005, Jacksonville Beach's new street additions peaked in 1991-2005. Most recently, Jacksonville Beach's incremental SNDi fell from 6.55 to 6.18 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jacksonville Beach ranked 11th out of 27 cities in Florida and 234th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
6.18
Rank in United States
305th of 333
Rank in Florida
21st of 27

Entire Network (Aggregate)

SNDi value
3.77
Rank in United States
234th of 333
Rank in Florida
11th of 27

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
Jacksonville BeachShankardihSan Jose del Valle

In new street additions, Jacksonville Beach built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Shankardih built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and San José del Valle built increasingly disconnected streets over time. For the full network, Jacksonville Beach and San José del Valle both became progressively more disconnected, while Shankardih became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Jacksonville Beach and Shankardih have been converging in their street-network character since 1975.