Usak: region in Turkey
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 Usak, Turkey on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Usak as of 2014, the overall level of street-network sprawl is 1.74, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 2.57, 1.58, 2.06 and 1.99. Disconnectivity in street construction in Usak follows a zig-zag trend. In 1976-1990, street construction was most disconnected, while construction was most connected in 1975.
Quantity of street network construction: The street network in Usak spans a total of 2730 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 1.58, 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 2.57, 1.61, 1.71 and 1.74. The SNDi of the aggregate street network in fell at first, but Usak has worsened in disconnectivity since 1990.
The level of street-network sprawl in new development in Usak followed a zig-zag trend with an overall decrease. To get a sense of how street development has changed in Usak, we can consider one of its most populous cities: Uşak. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Uşak followed a zig-zag trend.
How do development practices in Usak fare in comparison to others in Turkey? Most recently in 2001-2014, street construction in Usak was the 65th-most disconnected out of the 71 regions in Turkey. Its position in the ranks since 1975 has fallen; relative to other regions in Turkey, street construction in Usak has become more connected. Usak ranked 26th in 1975, 56th in 1976-1990, 53rd in 1991-2000 and 65th in 2001-2014.
As of 2014, the city with the most disconnected street network in Usak is Uşak with an SNDi of 0.75, which is relatively well-connected. Conversely, the most connected city is Uşak with an SNDi of 0.75, which is relatively well-connected. See trends for these cities: Uşak, Uşak
The level of street-network sprawl in the aggregate network in Usak was at its lowest in 1976-1990. To get a sense of how the aggregate street network has changed in Usak, we can consider one of its most populous cities: Uşak. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Uşak followed a zig-zag trend.
To date, Usak is the 57th-most disconnected out of the 71 regions in Turkey. Its position in the ranks since 1975 has fallen; relative to other regions in Turkey, the street network in Usak has become more connected. Usak ranked 26th in 1975, 50th in 1976-1990, 50th in 1991-2000 and 57th in 2001-2014.