Mayo-Kebbi Ouest: region in Chad
What exactly constitutes the spatial extent of the city? For these aggregations, we used the Global Human Settlement Layer Urban Center Database (GHS-UCDB) to define the boundaries of the city. These cities -- or urban centers -- cover areas that are densely populated and built-up, and so may extend beyond the spatial borders of these cities that we may be familiar with. The GHS area is shaded in blue.
View Mayo-Kebbi Ouest, Chad on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Mayo-Kebbi Ouest as of 2014, the overall level of street-network sprawl is 4.49, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are nan, 3.77, 4.56 and nan. Data was not available in 1975 and 2001-2014.
Quantity of street network construction: The street network in Mayo-Kebbi Ouest spans a total of 802 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of nan, which is highly disconnected.
Effect on the aggregate network: New construction in each period adds to the total stock of streets, but does not change streets that have already been built. Therefore, it has a limited effect on the street network as a whole. The SNDis of the aggregate street network in the respective time periods are nan, 3.84, 3.85 and 4.49. Data was not available in 1975.
The level of street-network sprawl in new development in Mayo-Kebbi Ouest followed a zig-zag trend. To get a sense of how street development has changed in Mayo-Kebbi Ouest, we can consider two of its most populous cities: Pala and Lere. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Pala followed a zig-zag trend. The level of street-network sprawl in new development in Lere followed a zig-zag trend.
How do development practices in Mayo-Kebbi Ouest fare in comparison to others in Chad? out of the 17 regions in Chad. Its position in the ranks since 1975 has risen; relative to other regions in Chad, street construction in Mayo-Kebbi Ouest has become more disconnected. Mayo-Kebbi Ouest ranked 6th in 1976-1990 and 5th in 1991-2000. There was no ranking in 1975 and 2001-2014 due to unavailable data.
As of 2014, the city with the most disconnected street network in Mayo-Kebbi Ouest is Pala with an SNDi of 4.11, which is highly disconnected. Conversely, the most connected city is Lere with an SNDi of 0.54, which is relatively well-connected. See trends for these cities: Lere, Pala
The level of street-network sprawl in the aggregate network in Mayo-Kebbi Ouest followed a zig-zag trend. To get a sense of how the aggregate street network has changed in Mayo-Kebbi Ouest, we can consider two of its most populous cities: Pala and Lere. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Pala followed a zig-zag trend. The level of street-network sprawl in the aggregate network in Lere followed a zig-zag trend.
To date, Mayo-Kebbi Ouest is the 2nd-most disconnected out of the 17 regions in Chad. Its position in the ranks since 1975 has risen; relative to other regions in Chad, the street network in Mayo-Kebbi Ouest has become more disconnected. Mayo-Kebbi Ouest ranked 6th in 1976-1990, 6th in 1991-2000 and 2nd in 2001-2014. There was no ranking in 1975 due to unavailable data.