Trends

2.61

SNDi (2020)

55 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Arzuiyeh

▸ Hover over bars to see values

SNDi
0
1
2
3
4
5
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in Arzuiyeh, 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 14 km of street added at an SNDi of 5.43. Overall, the SNDi of new street additions fell steadily.

Most recent snapshot

Taking into account the entire (i.e. aggregate) street network in Arzuiyeh as of 2020, the overall level of street-network sprawl is 2.61, which is relatively well-connected.

Trends in street network construction

The SNDis of street construction for the respective time periods are 5.43, 3.45, 1.76 and 1.68. In each period, new street development in Arzuiyeh steadily grows more connected than in the last.

Quantity of street network construction

The street network in Arzuiyeh spans a total of 55 kilometers. The period with the greatest volume of street construction was 1991-2005. These roads have an SNDi of 1.76, 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 5.43, 4.85, 2.95 and 2.61. Overall, the SNDi of the aggregate street network has fallen: the street network in Arzuiyeh has become more connected.