Kingston in context: Street-network sprawl trends

Kingston in context

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
KingstonOntario (Region)Canada (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kingston plotted against Ontario and Canada. The SNDi of new construction in Kingston rose steadily, compared to Ontario which peaked in 1976-1990 and Canada which peaked in 1976-1990. Most recently, Kingston's incremental SNDi rose from 3.2 to 3.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kingston ranked 5th out of 24 cities in Ontario and 8th out of 54 in Canada as of 2020.

New Street Additions (2006–2020)

SNDi value
3.56
Rank in Canada
34th of 54
Rank in Ontario
18th of 24

Entire Network (Aggregate)

SNDi value
2.3
Rank in Canada
8th of 54
Rank in Ontario
5th of 24

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
KingstonAlamdangaAnyi

In new street additions, Kingston built increasingly disconnected streets over time, while Alamdanga built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Anyi fluctuated in its street-construction patterns. For the full network, Kingston became progressively more disconnected, while Alamdanga became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Anyi fluctuated in connectivity. Kingston and Anyi have been converging in their street-network character since 1975.