Kingston in context: Street-network sprawl trends

Kingston in context

46810<19751976–19901991–20052006–2020SNDi of street additions
46810<19751976–19901991–20052006–2020SNDi of entire street network
KingstonSaint Andrew (Region)Jamaica (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kingston plotted against Saint Andrew and Jamaica. The SNDi of new construction in Kingston peaked in 1991-2005, compared to Saint Andrew which peaked in 1991-2005 and Jamaica which rose steadily. Most recently, Kingston's incremental SNDi fell from 9.5 to 5.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kingston ranked 1st out of 1 cities in Saint Andrew and 1st out of 6 in Jamaica as of 2020.

New Street Additions (2006–2020)

SNDi value
5.97
Rank in Jamaica
3rd of 6
Rank in Saint Andrew
1st of 1

Entire Network (Aggregate)

SNDi value
4.24
Rank in Jamaica
1st of 6
Rank in Saint Andrew
1st of 1

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
KingstonVapiDhule

In new street additions, Kingston built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Vapi built increasingly disconnected streets over time and Dhule fluctuated in its street-construction patterns. For the full network, Kingston and Vapi both became progressively more disconnected, while Dhule fluctuated in connectivity. Kingston and Vapi have been converging in their street-network character since 1975.