Richard-Toll: city in Saint-Louis, Senegal
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 Richard-Toll, Senegal on the sprawlmap
Most recent snapshot: Taking into account the entire (i.e. aggregate) street network in Richard-Toll as of 2014, the overall level of street-network sprawl is 0.71, which is relatively well-connected.
Trends in street network construction: The SNDis of street construction for the respective time periods are 0.8, 0.99, 0.35 and nan. Data was not available in 2001-2014.
Quantity of street network construction: The street network in Richard-Toll spans a total of 98 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 0.99, 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 0.8, 0.98, 0.71 and 0.71. Disconnectivity in Richard-Toll's street network follows a zig-zag trend. In 1991-2000, the city was most disconnected; while it was most connected in 1976-1990.
Richard-Toll and Saint-Louis 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 Saint-Louis was at its lowest in 1976-1990.
How do development practices in Richard-Toll fare in comparison to others in Saint-Louis? out of the 4 cities in Saint-Louis. Its position in the ranks since 1975 has not changed. Richard-Toll ranked 1st in 1975, 1st in 1976-1990 and 1st in 1991-2000. There was no ranking in 2001-2014 due to unavailable data.
Richard-Toll and Senegal 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 Senegal rose steadily.
How do development practices in Richard-Toll fare in comparison to others in Senegal? out of the 31 cities in Senegal. Its position in the ranks since 1975 has fallen; relative to other cities in Senegal, street construction in Richard-Toll has become more connected. Richard-Toll ranked 3rd in 1975, 4th in 1976-1990 and 21st in 1991-2000. There was no ranking in 2001-2014 due to unavailable data.
Richard-Toll and Saint-Louis do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Richard-Toll followed a zig-zag trend with an overall decrease, while the SNDi of street constructions in Saint-Louis was at its lowest in 1976-1990.
To date, Richard-Toll is the 1st-most disconnected out of the 4 cities in Saint-Louis. Its position in the ranks since 1975 has not changed. Richard-Toll ranked 1st in 1975, 1st in 1976-1990, 1st in 1991-2000 and 1st in 2001-2014.
Richard-Toll and Senegal do not follow the same trend in the disconnectivity of their aggregate street networks. The SNDi in Richard-Toll followed a zig-zag trend with an overall decrease, while the SNDi of street constructions in Senegal rose steadily.
To date, Richard-Toll is the 12th-most disconnected out of the 31 cities in Senegal. Its position in the ranks since 1975 has fallen; relative to other cities in Senegal, the street network in Richard-Toll has become more connected. Richard-Toll ranked 3rd in 1975, 5th in 1976-1990, 8th in 1991-2000 and 12th in 2001-2014.
As of 2015, Richard-Toll had a built-up area of 1.84 square kilometers, and a population of 79711 people.
These are some other cities with approximately the same population: