Moyen-Chari: 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 Moyen-Chari, Chad on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Moyen-Chari as of 2014, the overall level of street-network sprawl is 0.95, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are -0.39, 0.56, 0.85 and 2.21. In each period, new street development in Moyen-Chari steadily grows more disconnected than in the last.
Quantity of street network construction: The street network in Moyen-Chari spans a total of 2616 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 2.21, which is relatively well-connected.
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 -0.39, -0.18, 0.06 and 0.95. Overall, the SNDi of the aggregate street network has risen: the street network in Moyen-Chari has become more disconnected.
The level of street-network sprawl in new development in Moyen-Chari rose steadily. To get a sense of how street development has changed in Moyen-Chari, we can consider two of its most populous cities: Sarh and كيابي Kyabé. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Sarh followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in كيابي Kyabé followed a zig-zag trend.
How do development practices in Moyen-Chari fare in comparison to others in Chad? Most recently in 2001-2014, street construction in Moyen-Chari was the 5th-most disconnected 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 Moyen-Chari has become more disconnected. Moyen-Chari ranked 9th in 1975, 12th in 1976-1990, 12th in 1991-2000 and 5th in 2001-2014.
As of 2014, the city with the most disconnected street network in Moyen-Chari is كيابي Kyabé with an SNDi of -0.49, which is very well-connected. Conversely, the most connected city is Sarh with an SNDi of -0.53, which is very well-connected. See trends for these cities: Sarh, كيابي Kyabé
The level of street-network sprawl in the aggregate network in Moyen-Chari rose steadily. To get a sense of how the aggregate street network has changed in Moyen-Chari, we can consider two of its most populous cities: Sarh and كيابي Kyabé. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Sarh was at its lowest in 1976-1990. The level of street-network sprawl in the aggregate network in كيابي Kyabé followed a zig-zag trend.
To date, Moyen-Chari is the 13th-most disconnected out of the 17 regions in Chad. Its position in the ranks since 1975 has fallen; relative to other regions in Chad, the street network in Moyen-Chari has become more connected. Moyen-Chari ranked 9th in 1975, 15th in 1976-1990, 15th in 1991-2000 and 13th in 2001-2014.