Jacmel in context: Street-network sprawl trends

Jacmel in context

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
JacmelSud-Est (Region)Haiti (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jacmel plotted against Sud-Est and Haiti. While Sud-Est and Haiti both rose steadily, Jacmel's new street additions rose steadily. Most recently, Jacmel's incremental SNDi rose from 3.63 to 4.75 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jacmel ranked 1st out of 1 cities in Sud-Est and 9th out of 21 in Haiti as of 2020.

New Street Additions (2006–2020)

SNDi value
4.75
Rank in Haiti
8th of 21
Rank in Sud-Est
1st of 1

Entire Network (Aggregate)

SNDi value
3.91
Rank in Haiti
9th of 21
Rank in Sud-Est
1st of 1

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
JacmelG'ijduvonNanxi

In new street additions, Jacmel built increasingly disconnected streets over time, while G'ijduvon built increasingly disconnected streets from 1975 through 1991-2005, then improved and Nanxi fluctuated in its street-construction patterns. For the full network, Jacmel and G'ijduvon both became progressively more disconnected, while Nanxi fluctuated in connectivity. Notably, Jacmel had a more connected network than G'ijduvon in 1975 but the two have since reversed their relative ranking.