Purnea: city in Bihar, India
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 Purnea, India on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Purnea as of 2014, the overall level of street-network sprawl is 0.01, which is very well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are nan, -1.68, -0.57 and 0.69. Data was not available in 1975.
Quantity of street network construction: The street network in Purnea spans a total of 54 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, -1.68, -1.18 and 0.01. Data was not available in 1975.
Purnea and Bihar 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 Bihar followed a zig-zag trend with an overall increase.
How do development practices in Purnea fare in comparison to others in Bihar? Most recently in 2001-2014, street construction in Purnea was the 51st-most disconnected out of the 120 cities in Bihar. Its position in the ranks since 1975 has risen; relative to other cities in Bihar, street construction in Purnea has become more disconnected. Purnea ranked 91st in 1976-1990, 47th in 1991-2000 and 51st in 2001-2014. There was no ranking in 1975 due to unavailable data.
Purnea and India 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 India rose steadily.
How do development practices in Purnea fare in comparison to others in India? Most recently in 2001-2014, street construction in Purnea was the 1071st-most disconnected out of the 1716 cities in India. Its position in the ranks since 1975 has risen; relative to other cities in India, street construction in Purnea has become more disconnected. Purnea ranked 1237th in 1976-1990, 1002nd in 1991-2000 and 1071st in 2001-2014. There was no ranking in 1975 due to unavailable data.
Purnea and Bihar 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 Bihar rose steadily.
To date, Purnea is the 100th-most disconnected out of the 120 cities in Bihar. Its position in the ranks since 1975 has fallen; relative to other cities in Bihar, the street network in Purnea has become more connected. Purnea ranked 97th in 1976-1990, 105th in 1991-2000 and 100th in 2001-2014. There was no ranking in 1975 due to unavailable data.
Purnea and India 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 India rose steadily.
To date, Purnea is the 1518th-most disconnected out of the 1716 cities in India. Its position in the ranks since 1975 has fallen; relative to other cities in India, the street network in Purnea has become more connected. Purnea ranked 1406th in 1976-1990, 1518th in 1991-2000 and 1518th in 2001-2014. There was no ranking in 1975 due to unavailable data.
As of 2015, Purnea had a built-up area of 1.48 square kilometers, and a population of 158444 people.
These are some other cities with approximately the same population: