Trends

3.19

SNDi (2020)

3,600 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Sennar

▸ Hover over bars to see values

SNDi
0
0.9
1.8
2.7
3.6
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in the Sennar 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 2006-2020 period contributed the greatest disconnectedness burden, with 1,400 km of street added at an SNDi of 3.09. Overall, the SNDi of new street additions in the region followed a zig-zag trend with an overall increase.

How have Sennar's street networks changed over time?

Most recent snapshot

Taking into account the entire (i.e. aggregate) street network in Sennar as of 2020, the overall level of street-network sprawl is 3.19, which is moderately connected.

Trends in street network construction

The SNDis of street construction for the respective time periods are 2.53, 3.76, 2.79 and 3.09. Disconnectivity in street construction in Sennar 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 Sennar spans a total of 3,600 kilometers. The period with the greatest volume of street construction was 2006-2020. These roads have an SNDi of 3.09, 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 2.53, 3.09, 3.03 and 3.19. Disconnectivity in Sennar's street network follows a zig-zag trend. In 1975, the region was most disconnected; while it was most connected in 2006-2020.