Samegrelo-Zemo Svaneti: region in Georgia
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 Samegrelo-Zemo Svaneti, Georgia on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Samegrelo-Zemo Svaneti as of 2014, the overall level of street-network sprawl is 4.6, which is highly disconnected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 3.49, 4.79, 7.41 and 6.59. Street construction in Samegrelo-Zemo Svaneti 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 Samegrelo-Zemo Svaneti spans a total of 5668 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 4.79, which is highly disconnected.
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 3.49, 4.18, 4.43 and 4.6. Overall, the SNDi of the aggregate street network has risen: the street network in Samegrelo-Zemo Svaneti has become more disconnected. This increase has slowed: between 1975 and 1976-1990, SNDi rose by 0.69 points, but between 1991-2000 and 2001-2014, it rose by just 0.17.
The level of street-network sprawl in new development in Samegrelo-Zemo Svaneti peaked in 1991-2000. To get a sense of how street development has changed in Samegrelo-Zemo Svaneti, we can consider one of its most populous cities: Zugdidi. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Zugdidi followed a zig-zag trend.
How do development practices in Samegrelo-Zemo Svaneti fare in comparison to others in Georgia? Most recently in 2001-2014, street construction in Samegrelo-Zemo Svaneti was the 2nd-most disconnected out of the 5 regions in Georgia. Its position in the ranks since 1975 has risen; relative to other regions in Georgia, street construction in Samegrelo-Zemo Svaneti has become more disconnected. Samegrelo-Zemo Svaneti ranked 4th in 1975, 3rd in 1976-1990, 2nd in 1991-2000 and 2nd in 2001-2014.
As of 2014, the city with the most disconnected street network in Samegrelo-Zemo Svaneti is Zugdidi with an SNDi of 2.69, which is in the 40th to 60th percentile of disconnectedness. Conversely, the most connected city is Zugdidi with an SNDi of 2.69, which is in the 40th to 60th percentile of disconnectedness. See trends for these cities: Zugdidi, Zugdidi
The level of street-network sprawl in the aggregate network in Samegrelo-Zemo Svaneti rose steadily. To get a sense of how the aggregate street network has changed in Samegrelo-Zemo Svaneti, we can consider one of its most populous cities: Zugdidi. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Zugdidi rose steadily.
To date, Samegrelo-Zemo Svaneti is the 2nd-most disconnected out of the 5 regions in Georgia. Its position in the ranks since 1975 has risen; relative to other regions in Georgia, the street network in Samegrelo-Zemo Svaneti has become more disconnected. Samegrelo-Zemo Svaneti ranked 4th in 1975, 3rd in 1976-1990, 3rd in 1991-2000 and 2nd in 2001-2014.