Rome: city in Lazio, Italy
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 Rome, Italy on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Rome as of 2014, the overall level of street-network sprawl is 2.46, which is in the 40th to 60th percentile of disconnectedness.
Trends in street network construction: The SNDis of street construction for the respective time periods are 2.02, 4.3, 4.38 and 4.81. In each period, new street development in Rome steadily grows more disconnected than in the last. This increase has slowed: between 1975 and 1976-1990, SNDi rose by 2.28 points, but between 1991-2000 and 2001-2014, it rose by just 0.42.
Quantity of street network construction: The street network in Rome spans a total of 5147 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 2.02, 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 2.02, 2.33, 2.4 and 2.46. Overall, the SNDi of the aggregate street network has risen: the street network in Rome has become more disconnected. This increase has slowed: between 1975 and 1976-1990, SNDi rose by 0.31 points, but between 1991-2000 and 2001-2014, it rose by just 0.06.
Rome and Lazio follow the same trend in the disconnectivity of their street network constructions. The SNDi for both of these rose steadily.
How do development practices in Rome fare in comparison to others in Lazio? Most recently in 2001-2014, street construction in Rome was the 3rd-most disconnected out of the 6 cities in Lazio. Its position in the ranks since 1975 has not changed. Rome ranked 3rd in 1975, 2nd in 1976-1990, 2nd in 1991-2000 and 3rd in 2001-2014.
Rome and Italy do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Rome rose steadily, while the SNDi of street constructions in Italy peaked in 1991-2000.
How do development practices in Rome fare in comparison to others in Italy? Most recently in 2001-2014, street construction in Rome was the 22nd-most disconnected out of the 91 cities in Italy. Its position in the ranks since 1975 has risen; relative to other cities in Italy, street construction in Rome has become more disconnected. Rome ranked 33rd in 1975, 17th in 1976-1990, 27th in 1991-2000 and 22nd in 2001-2014.
Rome and Lazio follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these rose steadily.
To date, Rome is the 4th-most disconnected out of the 6 cities in Lazio. Its position in the ranks since 1975 has fallen; relative to other cities in Lazio, the street network in Rome has become more connected. Rome ranked 3rd in 1975, 4th in 1976-1990, 4th in 1991-2000 and 4th in 2001-2014.
Rome and Italy follow the same trend in the disconnectivity of their aggregate street networks. The SNDi for both of these rose steadily.
To date, Rome is the 31st-most disconnected out of the 91 cities in Italy. Its position in the ranks since 1975 has risen; relative to other cities in Italy, the street network in Rome has become more disconnected. Rome ranked 33rd in 1975, 32nd in 1976-1990, 31st in 1991-2000 and 31st in 2001-2014.
As of 2015, Rome had a built-up area of 253.34 square kilometers, and a population of 2342859 people.
These are some other cities with approximately the same population: