Trends
1.19
SNDi (2020)1,400 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Al-Fashir
▸ Hover over bars to see values
The chart above shows, for each construction period in Al-Fashir, 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 2006-2020 period contributed the greatest disconnectedness burden, with 690 km of street added at an SNDi of 1.34. 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 Al-Fashir as of 2020, the overall level of street-network sprawl is 1.19, which is very well-connected.
Trends in street network construction
The SNDis of street construction for the respective time periods are 0.99, 1.31, 1.13 and 1.34. Disconnectivity in street construction in Al-Fashir follows a zig-zag trend. In 1975, street construction was most disconnected, while construction was most connected in 2006-2020.
Quantity of street network construction
The street network in Al-Fashir spans a total of 1,400 kilometers. It is dominated by roads constructed in 2006-2020. These roads have an SNDi of 1.34, 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 0.99, 1.04, 1.07 and 1.19. Overall, the SNDi of the aggregate street network has risen: the street network in Al-Fashir has become more disconnected.