Trends
15.92
SNDi (2020)38 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Ar Rubu`
▸ Hover over bars to see values
The chart above shows, for each construction period in Ar Rubu`, 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 16 km of street added at an SNDi of 16.31. 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 Ar Rubu` as of 2020, the overall level of street-network sprawl is 15.92, which is very sprawly.
Trends in street network construction
The SNDis of street construction for the respective time periods are 16.31, 14.72, 29.37 and 16.87. Disconnectivity in street construction in Ar Rubu` 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 Ar Rubu` spans a total of 38 kilometers. It is dominated by roads constructed in 1976-1990. These roads have an SNDi of 14.72, 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 16.31, 15.43, 15.63 and 15.92. The SNDi of the aggregate street network in fell at first, but Ar Rubu` has worsened in disconnectivity since 1990.