Trends

1.61

SNDi (2020)

120 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Ouled-Teima

▸ Hover over bars to see values

SNDi
0
0.4
0.8
1.2
1.6
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in Ouled-Teima, 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 1976-1990 period contributed the greatest disconnectedness burden, with 39 km of street added at an SNDi of 1.78. 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 Ouled-Teima as of 2020, the overall level of street-network sprawl is 1.61, which is very well-connected.

Trends in street network construction

The SNDis of street construction for the respective time periods are 1.51, 1.78, 1.57 and 1.73. Disconnectivity in street construction in Ouled-Teima follows a zig-zag trend. In 1975, street construction was most disconnected, while construction was most connected in 1976-1990.

Quantity of street network construction

The street network in Ouled-Teima spans a total of 120 kilometers. The period with the greatest volume of street construction was 1975. These roads have an SNDi of 1.51, 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 1.51, 1.61, 1.6 and 1.61. Disconnectivity in Ouled-Teima's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 2006-2020.