Street-network Sprawl in Lingasugur, India

What is Street-network sprawl?

Street-network Sprawl is a way to measure urban sprawl, worldwide, through the connectedness of the streets. Less sprawl means more connected, more walkable streets. Well-connected streets – like New York City’s grid – are more walkable and can be served by public transit.

The street network is permanent, and its connectivity affects the livability and environmental footprint of cities for decades and centuries to come. In places with more connected streets, residents drive less and walk more. A well-connected street network is associated with better outcomes for health, the environment, sustainable consumption, social integration, and equity.

We can quantify how connected street networks are with the Street Network Disconnectedness Index (SNDi).

SNDi -- our measure of street-network sprawl (disconnectedness)

The SNDi is a comprehensive measurement of “sprawl”. It captures:

A higher SNDi means less-connected streets – i.e., more sprawl. For the 10137 cities in our dataset, the average SNDi is 2.25, with half of the cities' SNDis falling between 1.08 and 3.25.

More information on the sprawl index can be found in these research papers:

To see the state of street-network sprawl across the globe, visit the sprawlmap.

Lingasugur: city in Karnataka, 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 Lingasugur, India on the sprawlmap

Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Lingasugur as of 2014, the overall level of street-network sprawl is 0.28, which is very well-connected.

Trends in street network construction: The SNDis of street construction for the respective time periods are 0.08, 0.08, 0.03 and 0.5. The disconnectivity of new streets constructed in Lingasugur fell, then rose. In 1991-2000, new street layouts were the most connected.

Quantity of street network construction: The street network in Lingasugur spans a total of 66 kilometers. It is dominated by roads constructed in 1991-2000. These roads have an SNDi of 0.03, which is very 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 0.08, 0.09, 0.06 and 0.28. Disconnectivity in Lingasugur's street network follows a zig-zag trend. In 1991-2000, the city was most disconnected; while it was most connected in 2001-2014.

Lingasugur and Karnataka do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Lingasugur was at its lowest in 1991-2000, while the SNDi of street constructions in Karnataka rose steadily.

How do development practices in Lingasugur fare in comparison to others in Karnataka? Most recently in 2001-2014, street construction in Lingasugur was the 97th-most disconnected out of the 147 cities in Karnataka. Its position in the ranks since 1975 has fallen; relative to other cities in Karnataka, street construction in Lingasugur has become more connected. Lingasugur ranked 79th in 1975, 115th in 1976-1990, 97th in 1991-2000 and 97th in 2001-2014.

Lingasugur and India do not follow the same trend in the disconnectivity of their street network constructions. The SNDi in Lingasugur was at its lowest in 1991-2000, while the SNDi of street constructions in India rose steadily.

How do development practices in Lingasugur fare in comparison to others in India? Most recently in 2001-2014, street construction in Lingasugur was the 1093rd-most disconnected out of the 1716 cities in India. Its position in the ranks since 1975 has fallen; relative to other cities in India, street construction in Lingasugur has become more connected. Lingasugur ranked 777th in 1975, 1115th in 1976-1990, 955th in 1991-2000 and 1093rd in 2001-2014.

Lingasugur and Karnataka do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Lingasugur followed a zig-zag trend with an overall increase, while the SNDi of street constructions in Karnataka rose steadily.

To date, Lingasugur is the 128th-most disconnected out of the 147 cities in Karnataka. Its position in the ranks since 1975 has fallen; relative to other cities in Karnataka, the street network in Lingasugur has become more connected. Lingasugur ranked 79th in 1975, 123rd in 1976-1990, 134th in 1991-2000 and 128th in 2001-2014.

Lingasugur and India do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Lingasugur followed a zig-zag trend with an overall increase, while the SNDi of street constructions in India rose steadily.

To date, Lingasugur is the 1461st-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 Lingasugur has become more connected. Lingasugur ranked 777th in 1975, 1269th in 1976-1990, 1394th in 1991-2000 and 1461st in 2001-2014.

As of 2015, Lingasugur had a built-up area of 1.25 square kilometers, and a population of 71475 people.

These are some other cities with approximately the same population: