Hadjer-Lamis: 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 Hadjer-Lamis, Chad on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Hadjer-Lamis as of 2014, the overall level of street-network sprawl is 2.23, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 1.52, 2.6, 4.18 and 1.18. Street construction in Hadjer-Lamis increased in disconnectivity initially but has since improved. The streets constructed in 1991-2000 were the most disconnected.
Quantity of street network construction: The street network in Hadjer-Lamis spans a total of 1049 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 1.18, 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 1.52, 2.34, 3.53 and 2.23. The aggregate street network in Hadjer-Lamis increased in disconnectivity initially,but the trend has turned around after 2000.
The level of street-network sprawl in new development in Hadjer-Lamis peaked in 1991-2000. To get a sense of how street development has changed in Hadjer-Lamis, we can consider one of its most populous cities: Massakory. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Massakory followed a zig-zag trend.
How do development practices in Hadjer-Lamis fare in comparison to others in Chad? Most recently in 2001-2014, street construction in Hadjer-Lamis was the 11th-most disconnected out of the 17 regions in Chad. Its position in the ranks since 1975 has fallen; relative to other regions in Chad, street construction in Hadjer-Lamis has become more connected. Hadjer-Lamis ranked 4th in 1975, 8th in 1976-1990, 6th in 1991-2000 and 11th in 2001-2014.
As of 2014, the city with the most disconnected street network in Hadjer-Lamis is Massakory with an SNDi of 0.31, which is very well-connected. Conversely, the most connected city is Massakory with an SNDi of 0.31, which is very well-connected. See trends for these cities: Massakory, Massakory
The level of street-network sprawl in the aggregate network in Hadjer-Lamis peaked in 1991-2000. To get a sense of how the aggregate street network has changed in Hadjer-Lamis, we can consider one of its most populous cities: Massakory. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Massakory followed a zig-zag trend.
To date, Hadjer-Lamis is the 9th-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 Hadjer-Lamis has become more connected. Hadjer-Lamis ranked 4th in 1975, 9th in 1976-1990, 8th in 1991-2000 and 9th in 2001-2014.