Trends

2.5

SNDi (2020)

710 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in `Ar`ar

▸ Hover over bars to see values

SNDi
0
0.7
1.4
2.1
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in `Ar`ar, 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 220 km of street added at an SNDi of 2.66. 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`ar as of 2020, the overall level of street-network sprawl is 2.5, which is relatively well-connected.

Trends in street network construction

The SNDis of street construction for the respective time periods are 2.42, 2.57, 2.44 and 2.66. Disconnectivity in street construction in `Ar`ar 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 `Ar`ar spans a total of 710 kilometers. The period with the greatest volume of street construction was 2006-2020. These roads have an SNDi of 2.66, 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 2.42, 2.45, 2.44 and 2.5. Disconnectivity in `Ar`ar's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 2006-2020.