Addis Abeba: region in Ethiopia
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 Addis Abeba, Ethiopia on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Addis Abeba as of 2014, the overall level of street-network sprawl is 2.5, which is in the 40th to 60th percentile of disconnectedness.
Trends in street network construction: The SNDis of street construction for the respective time periods are 2.24, 2.81, 2.22 and 2.49. Disconnectivity in street construction in Addis Abeba follows a zig-zag trend. In 1991-2000, street construction was most disconnected, while construction was most connected in 1976-1990.
Quantity of street network construction: The street network in Addis Abeba spans a total of 6528 kilometers. It is dominated by roads constructed in 2001-2014. These roads have an SNDi of 2.49, which is in the 40th to 60th percentile of disconnectedness.
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 2.24, 2.67, 2.51 and 2.5. The aggregate street network in Addis Abeba increased in disconnectivity initially,but the trend has turned around after 1990.
The level of street-network sprawl in new development in Addis Abeba followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Addis Abeba, we can consider one of its most populous cities: Addis Ababa. Disconnectivity in the most populous cities in Addis Abeba follow the same region trend.
How do development practices in Addis Abeba fare in comparison to others in Ethiopia? Most recently in 2001-2014, street construction in Addis Abeba was the 9th-most disconnected out of the 11 regions in Ethiopia. Its position in the ranks since 1975 has fallen; relative to other regions in Ethiopia, street construction in Addis Abeba has become more connected. Addis Abeba ranked 5th in 1975, 4th in 1976-1990, 7th in 1991-2000 and 9th in 2001-2014.
As of 2014, the city with the most disconnected street network in Addis Abeba is Addis Ababa with an SNDi of 2.44, which is in the 40th to 60th percentile of disconnectedness. Conversely, the most connected city is Addis Ababa with an SNDi of 2.44, which is in the 40th to 60th percentile of disconnectedness. See trends for these cities: Addis Ababa, Addis Ababa
The level of street-network sprawl in the aggregate network in Addis Abeba peaked in 1976-1990. To get a sense of how the aggregate street network has changed in Addis Abeba, we can consider one of its most populous cities: Addis Ababa. Disconnectivity in the most populous cities in Addis Abeba follow the same region trend.
To date, Addis Abeba is the 9th-most disconnected out of the 11 regions in Ethiopia. Its position in the ranks since 1975 has fallen; relative to other regions in Ethiopia, the street network in Addis Abeba has become more connected. Addis Abeba ranked 5th in 1975, 7th in 1976-1990, 8th in 1991-2000 and 9th in 2001-2014.