Comparisons
Ouaddai vs. the other two most closely populated regions in Chad: Moyen-Chari and Wadi Fira
Ouaddaï in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Ouaddaï rose steadily. To get a sense of how street development has changed in Ouaddaï, we can consider two of its most populous cities: Abéché and Adré. Out of the two cities, Adré does not follow the same trend as the region. The level of street-network sprawl in new development in Adré followed a zig-zag trend with an overall decrease.
How do development practices in Ouaddaï fare in comparison to others in Chad? Most recently in 2006-2020, street construction in Ouaddaï was the 9th-most disconnected out of the 19 regions in Chad. Its position in the ranks since 1975 has not changed. Ouaddaï ranked 9th in 1975, 5th in 1976-1990, 4th in 1991-2005 and 9th in 2006-2020.
Ouaddaï in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Ouaddaï is Abéché with an SNDi of 1.73, which is very well-connected. Conversely, the most connected city is Adré with an SNDi of 1.05, which is very well-connected. See trends for these cities: Adré, Abéché
The level of street-network sprawl in the aggregate network in Ouaddaï rose steadily. To get a sense of how the aggregate street network has changed in Ouaddaï, we can consider two of its most populous cities: Abéché and Adré. Out of the two cities, Adré does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Adré followed a zig-zag trend with an overall decrease.
To date, Ouaddaï is the 8th-most disconnected out of the 19 regions in Chad. Its position in the ranks since 1975 has risen; relative to other regions in Chad, the street network in Ouaddaï has become more disconnected. Ouaddaï ranked 9th in 1975, 4th in 1976-1990, 4th in 1991-2005 and 8th in 2006-2020.