The level of street-network sprawl in new development in Tandjilé peaked in 1991-2005. To get a sense of how street development has changed in Tandjilé, we can consider two of its most populous cities: Kelo and Laï. Out of the two cities, Kelo does not follow the same trend as the region. The level of street-network sprawl in new development in Kelo followed a zig-zag trend with an overall increase.

As of 2020, the city with the most disconnected street network in Tandjilé is Laï with an SNDi of 1.59, which is very well-connected. Conversely, the most connected city is Kelo with an SNDi of 1.17, which is very well-connected. See trends for these cities: Kelo, Laï

The level of street-network sprawl in the aggregate network in Tandjilé peaked in 1991-2005. To get a sense of how the aggregate street network has changed in Tandjilé, we can consider two of its most populous cities: Kelo and Laï. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Kelo rose steadily. The level of street-network sprawl in the aggregate network in Laï followed a zig-zag trend with an overall increase.