Florence in context: Street-network sprawl trends

Florence in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Florence plotted against Kentucky and United States. The SNDi of new construction in Florence rose steadily, compared to Kentucky which rose steadily and United States which peaked in 1991-2005. Most recently, Florence's incremental SNDi rose from 6.95 to 7.01 between 1991-2005 and 2006-2020. In terms of the aggregate network, Florence ranked 3rd out of 3 cities in Kentucky and 318th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
7.01
Rank in United States
321st of 333
Rank in Kentucky
3rd of 3

Entire Network (Aggregate)

SNDi value
5.78
Rank in United States
318th of 333
Rank in Kentucky
3rd of 3

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
FlorencePanglongRamnicu Valcea

In new street additions, Florence built increasingly disconnected streets over time, while Panglong fluctuated in its street-construction patterns and Râmnicu Vâlcea built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Florence and Panglong have been growing further apart in their street-network character since 1975.