Riverwood in context: Street-network sprawl trends

Riverwood in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
RiverwoodGeorgia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Riverwood plotted against Georgia and United States. While Georgia and United States both peaked in 1991-2005, Riverwood's new street additions peaked in 1991-2005. Most recently, Riverwood's incremental SNDi fell from 6.78 to 6.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Riverwood ranked 4th out of 8 cities in Georgia and 321st out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
6.16
Rank in United States
303rd of 333
Rank in Georgia
4th of 8

Entire Network (Aggregate)

SNDi value
6.06
Rank in United States
321st of 333
Rank in Georgia
4th of 8

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

What about similarly populated cities?

234567<19751976–19901991–20052006–2020SNDi of street additions
234567<19751976–19901991–20052006–2020SNDi of entire street network
RiverwoodBani SaadIzumo

While Bani Saad and Izumo both fluctuated in its street-construction patterns, Riverwood built increasingly disconnected streets from 1975 through 1991-2005, then improved in new street additions. For the full network, Riverwood and Izumo both became progressively more disconnected, while Bani Saad fluctuated in connectivity.