Old Harbour 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 Old Harbour plotted against Saint Catherine and Jamaica. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Old Harbour's incremental SNDi rose from 5.77 to 6.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Old Harbour ranked 2nd out of 2 cities in Saint Catherine and 4th 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?

• Savalou, Benin
• Kafr Yasif, Israel
• Prokhladny, Russia
• Cheeka, India
• Yushe, China
• Khwaja Iskandar, Afghanistan

In new street additions, Old Harbour and Cheeka both built increasingly disconnected streets over time, while Savalou built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Old Harbour and Cheeka both became progressively more disconnected, while Savalou became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Old Harbour and Savalou have been growing further apart in their street-network character since 1975.