The level of street-network sprawl in new development in Ouest peaked in 1991-2005. To get a sense of how street development has changed in Ouest, we can consider three of its most populous cities: Port-au-Prince, Léogâne and Petit-Goâve. Out of the three cities, Léogâne and Petit-Goâve do not follow the same trend as the region. The level of street-network sprawl in new development in Léogâne rose steadily. The level of street-network sprawl in new development in Petit-Goâve followed a zig-zag trend with an overall increase.

How do development practices in Ouest fare in comparison to others in Haiti? Most recently in 2006-2020, street construction in Ouest was the 2nd-most disconnected out of the 9 regions in Haiti. Its position in the ranks since 1975 has risen; relative to other regions in Haiti, street construction in Ouest has become more disconnected. Ouest ranked 5th in 1975, 7th in 1976-1990, 7th in 1991-2005 and 2nd in 2006-2020.

As of 2020, the city with the most disconnected street network in Ouest is Petit-Goâve with an SNDi of 5.07, which is very sprawly. Conversely, the most connected city is Anse-à-Galets with an SNDi of 3.65, which is relatively sprawly. See trends for these cities: Anse-à-Galets, Petit-Goâve

The level of street-network sprawl in the aggregate network in Ouest rose steadily. To get a sense of how the aggregate street network has changed in Ouest, we can consider three of its most populous cities: Port-au-Prince, Léogâne and Petit-Goâve. Disconnectivity in the most populous cities in Ouest follow the same region trend.

To date, Ouest is the 4th-most disconnected out of the 9 regions in Haiti. Its position in the ranks since 1975 has risen; relative to other regions in Haiti, the street network in Ouest has become more disconnected. Ouest ranked 5th in 1975, 4th in 1976-1990, 6th in 1991-2005 and 4th in 2006-2020.