Léogâne in context: Street-network sprawl trends

Leogane in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Léogâne plotted against Ouest and Haiti. While Ouest and Haiti both rose steadily, Léogâne's new street additions rose steadily. Most recently, Léogâne's incremental SNDi rose from 3.88 to 4.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Léogâne ranked 2nd out of 6 cities in Ouest and 8th out of 21 in Haiti as of 2020.

New Street Additions (2006–2020)

SNDi value
4.65
Rank in Haiti
7th of 21
Rank in Ouest
2nd of 6

Entire Network (Aggregate)

SNDi value
3.86
Rank in Haiti
8th of 21
Rank in Ouest
2nd of 6

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
LeoganeYongchunCastello de la Plana

In new street additions, Léogâne and Yongchun both built increasingly disconnected streets over time, while Castelló de la Plana built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Léogâne and Yongchun both became progressively more disconnected, while Castelló de la Plana grew more disconnected from 1975 through 1991-2005, then improved. Notably, Léogâne had a more connected network than Yongchun in 1975 but the two have since reversed their relative ranking.