May Pen 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 May Pen plotted against Clarendon and Jamaica. The SNDi of new construction in May Pen peaked in 1991-2005, compared to Clarendon which peaked in 1991-2005 and Jamaica which rose steadily. Most recently, May Pen's incremental SNDi fell from 5.86 to 4.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, May Pen ranked 1st out of 1 cities in Clarendon and 2nd out of 6 in Jamaica as of 2020.

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

What about similarly populated cities?

• Anyi, China
• Kingston, Canada
• Alamdanga, Bangladesh
• Dadaab, Kenya
• Anping, China
• Shanyin, China

In new street additions, May Pen built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Anyi fluctuated in its street-construction patterns and Dadaab built increasingly disconnected streets over time. For the full network, May Pen grew more disconnected from 1975 through 1991-2005, then improved, while Anyi fluctuated in connectivity and Dadaab became progressively more disconnected. May Pen and Dadaab have been growing further apart in their street-network character since 1975.