Palm Coast in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Palm Coast plotted against Florida and United States. The SNDi of new construction in Palm Coast was at its lowest in 1976-1990, compared to Florida which rose steadily and United States which peaked in 1991-2005. Most recently, Palm Coast's incremental SNDi rose from 6.54 to 6.66 between 1991-2005 and 2006-2020. In terms of the aggregate network, Palm Coast ranked 25th out of 27 cities in Florida and 329th out of 333 in United States as of 2020.

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

What about similarly populated cities?

• Neumünster, Germany
• Yihuang, China
• Kyongsong, North Korea
• Sasni, India
• Sagasi-Deybuk, Russia
• Érd, Hungary

In new street additions, Palm Coast built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Neumünster built increasingly disconnected streets from 1975 through 1991-2005, then improved and Sasni built increasingly disconnected streets over time. Looking at the full network, Neumünster and Sasni both became progressively more disconnected, while Palm Coast became progressively more connected. Palm Coast and Sasni have been converging in their street-network character since 1975.