The level of street-network sprawl in new development in Wadi Fira rose steadily. To get a sense of how street development has changed in Wadi Fira, we can consider three of its most populous cities: Karyari, Biltine and Tiné-Djagaraba. Out of the three cities, Karyari and Biltine do not follow the same trend as the region. The level of street-network sprawl in new development in Karyari followed a zig-zag trend. The level of street-network sprawl in new development in Biltine was at its lowest in 1976-1990.

How do development practices in Wadi Fira fare in comparison to others in Chad? Most recently in 2006-2020, street construction in Wadi Fira was the 16th-most disconnected out of the 19 regions in Chad. Its position in the ranks since 1975 has not changed. Wadi Fira ranked 16th in 1975, 14th in 1976-1990, 16th in 1991-2005 and 16th in 2006-2020.

As of 2020, the city with the most disconnected street network in Wadi Fira is Karyari with an SNDi of 10.97, which is very sprawly. Conversely, the most connected city is Biltine with an SNDi of 3.26, which is moderately connected. See trends for these cities: Biltine, Karyari

The level of street-network sprawl in the aggregate network in Wadi Fira rose steadily. To get a sense of how the aggregate street network has changed in Wadi Fira, we can consider three of its most populous cities: Karyari, Biltine and Tiné-Djagaraba. Out of the three cities, Karyari and Biltine do not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Karyari followed a zig-zag trend. The level of street-network sprawl in the aggregate network in Biltine was at its lowest in 1976-1990.

To date, Wadi Fira is the 16th-most disconnected out of the 19 regions in Chad. Its position in the ranks since 1975 has not changed. Wadi Fira ranked 16th in 1975, 15th in 1976-1990, 16th in 1991-2005 and 16th in 2006-2020.