Zayyan: city in Ad Daqahliyah, Egypt
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 Zayyan, Egypt on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Zayyan as of 2014, the overall level of street-network sprawl is 1.79, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are nan, 0.84, 1.3 and 3.79. Data was not available in 1975.
Quantity of street network construction: The street network in Zayyan spans a total of 312 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of nan, 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 nan, 0.84, 0.99 and 1.79. Data was not available in 1975.
Zayyan and Ad Daqahliyah do not follow the same trend in the disconnectivity of their street network constructions. There was not enough data from the city, while the SNDi of street constructions in Ad Daqahliyah rose steadily.
How do development practices in Zayyan fare in comparison to others in Ad Daqahliyah? Most recently in 2001-2014, street construction in Zayyan was the 14th-most disconnected out of the 18 cities in Ad Daqahliyah. Its position in the ranks since 1975 has not changed. Zayyan ranked 14th in 1976-1990, 8th in 1991-2000 and 14th in 2001-2014. There was no ranking in 1975 due to unavailable data.
Zayyan and Egypt do not follow the same trend in the disconnectivity of their street network constructions. There was not enough data from the city, while the SNDi of street constructions in Egypt followed a zig-zag trend with an overall increase.
How do development practices in Zayyan fare in comparison to others in Egypt? Most recently in 2001-2014, street construction in Zayyan was the 52nd-most disconnected out of the 170 cities in Egypt. Its position in the ranks since 1975 has risen; relative to other cities in Egypt, street construction in Zayyan has become more disconnected. Zayyan ranked 104th in 1976-1990, 61st in 1991-2000 and 52nd in 2001-2014. There was no ranking in 1975 due to unavailable data.
Zayyan and Ad Daqahliyah do not follow the same trend in the disconnectivity of their aggregate street networks. There was not enough data from the city, while the SNDi of street constructions in Ad Daqahliyah rose steadily.
To date, Zayyan is the 12th-most disconnected out of the 18 cities in Ad Daqahliyah. Its position in the ranks since 1975 has risen; relative to other cities in Ad Daqahliyah, the street network in Zayyan has become more disconnected. Zayyan ranked 13th in 1976-1990, 13th in 1991-2000 and 12th in 2001-2014. There was no ranking in 1975 due to unavailable data.
Zayyan and Egypt do not follow the same trend in the disconnectivity of their aggregate street networks. There was not enough data from the city, while the SNDi of street constructions in Egypt was at its lowest in 1976-1990.
To date, Zayyan is the 127th-most disconnected out of the 170 cities in Egypt. Its position in the ranks since 1975 has risen; relative to other cities in Egypt, the street network in Zayyan has become more disconnected. Zayyan ranked 147th in 1976-1990, 146th in 1991-2000 and 127th in 2001-2014. There was no ranking in 1975 due to unavailable data.
As of 2015, Zayyan had a built-up area of 7.6 square kilometers, and a population of 65273 people.
These are some other cities with approximately the same population: