Trends

2.72

SNDi (2020)

2,500 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Al Jawf

▸ Hover over bars to see values

SNDi
0
0.8
1.6
2.4
3.2
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in the Al Jawf region, 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 830 km of street added at an SNDi of 3.22. Overall, the SNDi of new street additions in the region was at its lowest in 1991-2005.

How have Al Jawf's street networks changed over time?

Most recent snapshot

Taking into account the entire (i.e. aggregate) street network in Al Jawf as of 2020, the overall level of street-network sprawl is 2.72, which is relatively well-connected.

Trends in street network construction

The SNDis of street construction for the respective time periods are 3.22, 3.06, 2.45 and 2.45. The disconnectivity of new streets constructed in Al Jawf fell, then rose. In 1991-2005, new street layouts were the most connected.

Quantity of street network construction

The street network in Al Jawf spans a total of 2,500 kilometers. The period with the greatest volume of street construction was 1975. These roads have an SNDi of 3.22, which is moderately 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 3.22, 3.18, 2.86 and 2.72. Overall, the SNDi of the aggregate street network has fallen: the street network in Al Jawf has become more connected. This decrease has quickened: between 1975 and 1976-1990, SNDi fell by 0.04 points, but between 1991-2005 and 2006-2020, it fell by just 0.14.