Trends

4.63

SNDi (2020)

1,000 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Mardan

▸ 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 Mardan, 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 1991-2005 period contributed the greatest disconnectedness burden, with 420 km of street added at an SNDi of 4.42. Overall, the SNDi of new street additions was at its lowest in 1991-2005.

Most recent snapshot

Taking into account the entire (i.e. aggregate) street network in Mardan as of 2020, the overall level of street-network sprawl is 4.63, which is sprawly.

Trends in street network construction

The SNDis of street construction for the respective time periods are 4.54, 4.52, 4.42 and 5.06. The disconnectivity of new streets constructed in Mardan fell, then rose. In 1991-2005, new street layouts were the most connected.

Quantity of street network construction

The street network in Mardan spans a total of 1,000 kilometers. It is dominated by roads constructed in 1991-2005. These roads have an SNDi of 4.42, which is sprawly.

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 4.54, 4.52, 4.47 and 4.63. The SNDi of the aggregate street network in fell at first, but Mardan has worsened in disconnectivity since 2000.