Dunwoody in context: Street-network sprawl trends

Dunwoody in context

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
DunwoodyGeorgia (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Dunwoody plotted against Georgia and United States. The SNDi of new construction in Dunwoody followed a zig-zag trend with an overall increase, compared to Georgia which rose steadily and United States which peaked in 1991-2005. Most recently, Dunwoody's incremental SNDi rose from 6.22 to 8.51 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dunwoody ranked 5th out of 8 cities in Georgia and 325th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
8.51
Rank in United States
330th of 333
Rank in Georgia
8th of 8

Entire Network (Aggregate)

SNDi value
6.16
Rank in United States
325th of 333
Rank in Georgia
5th of 8

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
DunwoodyRajamungsang

While Rajam and 웅상 both built increasingly disconnected streets over time, Dunwoody fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend.