Trends
7.16
SNDi (2020)55 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Faya-Largeau
▸ Hover over bars to see values
The chart above shows, for each construction period in Faya-Largeau, the SNDi of new street additions (bar height) and the volume added (bar width), so that bar area reflects the total disconnectedness burden of that period's construction. The 1975 period contributed the greatest disconnectedness burden, with 39 km of street added at an SNDi of 7.73. Overall, the SNDi of new street additions followed a zig-zag trend with an overall increase.
Most recent snapshot
Taking into account the entire (i.e. aggregate) street network in Faya-Largeau as of 2020, the overall level of street-network sprawl is 7.16, which is very sprawly.
Trends in street network construction
The SNDis of street construction for the respective time periods are 7.73, 5.62, 10.11 and 8.17. Disconnectivity in street construction in Faya-Largeau follows a zig-zag trend. In 1976-1990, street construction was most disconnected, while construction was most connected in 1991-2005.
Quantity of street network construction
The street network in Faya-Largeau spans a total of 55 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 7.73, which is very sprawly.
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 7.73, 7.07, 7.16 and 7.16. The SNDi of the aggregate street network in fell at first, but Faya-Largeau has worsened in disconnectivity since 1990.