Lagny-sur-Marne: city in Île-de-France, France
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 Lagny-sur-Marne, France on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Lagny-sur-Marne as of 2014, the overall level of street-network sprawl is 2.26, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 2.2, 2.58, 1.89 and 2.92. Disconnectivity in street construction in Lagny-sur-Marne follows a zig-zag trend. In 1991-2000, street construction was most disconnected, while construction was most connected in 2001-2014.
Quantity of street network construction: The street network in Lagny-sur-Marne spans a total of 244 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 2.2, 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 2.2, 2.33, 2.22 and 2.26. Disconnectivity in Lagny-sur-Marne's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 1976-1990.
Lagny-sur-Marne and Île-de-France do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Lagny-sur-Marne followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Île-de-France peaked in 1976-1990.
How do development practices in Lagny-sur-Marne fare in comparison to others in Île-de-France? Most recently in 2001-2014, street construction in Lagny-sur-Marne was the 3rd-most disconnected out of the 5 cities in Île-de-France. Its position in the ranks since 1975 has not changed. Lagny-sur-Marne ranked 3rd in 1975, 4th in 1976-1990, 5th in 1991-2000 and 3rd in 2001-2014.
Lagny-sur-Marne and France do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Lagny-sur-Marne followed a zig-zag trend with an overall increase, while the SNDi of street constructions in France rose steadily.
How do development practices in Lagny-sur-Marne fare in comparison to others in France? Most recently in 2001-2014, street construction in Lagny-sur-Marne was the 55th-most disconnected out of the 76 cities in France. Its position in the ranks since 1975 has fallen; relative to other cities in France, street construction in Lagny-sur-Marne has become more connected. Lagny-sur-Marne ranked 33rd in 1975, 60th in 1976-1990, 59th in 1991-2000 and 55th in 2001-2014.
Lagny-sur-Marne and Île-de-France do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Lagny-sur-Marne followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Île-de-France rose steadily.
To date, Lagny-sur-Marne is the 3rd-most disconnected out of the 5 cities in Île-de-France. Its position in the ranks since 1975 has not changed. Lagny-sur-Marne ranked 3rd in 1975, 3rd in 1976-1990, 3rd in 1991-2000 and 3rd in 2001-2014.
Lagny-sur-Marne and France do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Lagny-sur-Marne followed a zig-zag trend with an overall increase, while the SNDi of street constructions in France rose steadily.
To date, Lagny-sur-Marne is the 40th-most disconnected out of the 76 cities in France. Its position in the ranks since 1975 has fallen; relative to other cities in France, the street network in Lagny-sur-Marne has become more connected. Lagny-sur-Marne ranked 33rd in 1975, 37th in 1976-1990, 40th in 1991-2000 and 40th in 2001-2014.
As of 2015, Lagny-sur-Marne had a built-up area of 14.05 square kilometers, and a population of 63381 people.
These are some other cities with approximately the same population: