Songhor: city in Kermanshah, Iran
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 Songhor, Iran on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Songhor as of 2014, the overall level of street-network sprawl is 1.7, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 2.23, 0.99, 2.7 and 3.18. The disconnectivity of new streets constructed in Songhor fell, then rose. In 1976-1990, new street layouts were the most connected.
Quantity of street network construction: The street network in Songhor spans a total of 129 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 0.99, 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 2.23, 1.35, 1.43 and 1.7. The SNDi of the aggregate street network in fell at first, but Songhor has worsened in disconnectivity since 1990.
Songhor and Kermanshah follow the same trend in the disconnectivity of their street network constructions. The SNDi for both of these was at its lowest in 1976-1990.
How do development practices in Songhor fare in comparison to others in Kermanshah? Most recently in 2001-2014, street construction in Songhor was the 4th-most disconnected out of the 7 cities in Kermanshah. Its position in the ranks since 1975 has fallen; relative to other cities in Kermanshah, street construction in Songhor has become more connected. Songhor ranked 1st in 1975, 6th in 1976-1990, 4th in 1991-2000 and 4th in 2001-2014.
Songhor and Iran follow the same trend in the disconnectivity of their street network constructions. The SNDi for both of these was at its lowest in 1976-1990.
How do development practices in Songhor fare in comparison to others in Iran? Most recently in 2001-2014, street construction in Songhor was the 79th-most disconnected out of the 181 cities in Iran. Its position in the ranks since 1975 has fallen; relative to other cities in Iran, street construction in Songhor has become more connected. Songhor ranked 68th in 1975, 130th in 1976-1990, 69th in 1991-2000 and 79th in 2001-2014.
Songhor and Kermanshah follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these was at its lowest in 1976-1990.
To date, Songhor is the 6th-most disconnected out of the 7 cities in Kermanshah. Its position in the ranks since 1975 has fallen; relative to other cities in Kermanshah, the street network in Songhor has become more connected. Songhor ranked 1st in 1975, 5th in 1976-1990, 7th in 1991-2000 and 6th in 2001-2014.
Songhor and Iran follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these was at its lowest in 1976-1990.
To date, Songhor is the 117th-most disconnected out of the 181 cities in Iran. Its position in the ranks since 1975 has fallen; relative to other cities in Iran, the street network in Songhor has become more connected. Songhor ranked 68th in 1975, 115th in 1976-1990, 122nd in 1991-2000 and 117th in 2001-2014.
As of 2015, Songhor had a built-up area of 3.5 square kilometers, and a population of 57925 people.
These are some other cities with approximately the same population: