Karbala': region in Iraq
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 Karbala', Iraq on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Karbala' as of 2014, the overall level of street-network sprawl is 1.98, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 3.88, 1.99, 1.51 and 1.72. The disconnectivity of new streets constructed in Karbala' fell, then rose. In 1991-2000, new street layouts were the most connected.
Quantity of street network construction: The street network in Karbala' spans a total of 1482 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 1.99, 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 3.88, 2.14, 2.08 and 1.98. Overall, the SNDi of the aggregate street network has fallen: the street network in Karbala' has become more connected.
The level of street-network sprawl in new development in Karbala' was at its lowest in 1991-2000. To get a sense of how street development has changed in Karbala', we can consider one of its most populous cities: Karbala. Disconnectivity in the most populous cities in Karbala' follow the same region trend.
How do development practices in Karbala' fare in comparison to others in Iraq? Most recently in 2001-2014, street construction in Karbala' was the 18th-most disconnected out of the 18 regions in Iraq. Its position in the ranks since 1975 has fallen; relative to other regions in Iraq, street construction in Karbala' has become more connected. Karbala' ranked 2nd in 1975, 7th in 1976-1990, 17th in 1991-2000 and 18th in 2001-2014.
As of 2014, the city with the most disconnected street network in Karbala' is Karbala with an SNDi of 1.6, which is relatively well-connected. Conversely, the most connected city is Karbala with an SNDi of 1.6, which is relatively well-connected. See trends for these cities: Karbala, Karbala
The level of street-network sprawl in the aggregate network in Karbala' fell steadily. To get a sense of how the aggregate street network has changed in Karbala', we can consider one of its most populous cities: Karbala. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Karbala was at its lowest in 1991-2000.
To date, Karbala' is the 14th-most disconnected out of the 18 regions in Iraq. Its position in the ranks since 1975 has fallen; relative to other regions in Iraq, the street network in Karbala' has become more connected. Karbala' ranked 2nd in 1975, 5th in 1976-1990, 7th in 1991-2000 and 14th in 2001-2014.