The level of street-network sprawl in new development in Extrême-Nord followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Extrême-Nord, we can consider three of its most populous cities: Maroua, Kousseri and Mokolo. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Maroua rose steadily. The level of street-network sprawl in new development in Kousseri peaked in 1976-1990. The level of street-network sprawl in new development in Mokolo rose steadily.

How do development practices in Extrême-Nord fare in comparison to others in Cameroon? Most recently in 2006-2020, street construction in Extrême-Nord was the 2nd-most disconnected out of the 10 regions in Cameroon. Its position in the ranks since 1975 has not changed. Extrême-Nord ranked 2nd in 1975, 2nd in 1976-1990, 2nd in 1991-2005 and 2nd in 2006-2020.

As of 2020, the city with the most disconnected street network in Extrême-Nord is Pouss with an SNDi of 2.92, which is moderately connected. Conversely, the most connected city is Kaélé with an SNDi of 1.42, which is very well-connected. See trends for these cities: Kaélé, Pouss

The level of street-network sprawl in the aggregate network in Extrême-Nord rose steadily. To get a sense of how the aggregate street network has changed in Extrême-Nord, we can consider three of its most populous cities: Maroua, Kousseri and Mokolo. Out of the three cities, Kousseri does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Kousseri peaked in 1976-1990.

To date, Extrême-Nord is the 2nd-most disconnected out of the 10 regions in Cameroon. Its position in the ranks since 1975 has not changed. Extrême-Nord ranked 2nd in 1975, 2nd in 1976-1990, 2nd in 1991-2005 and 2nd in 2006-2020.