Trends

13.01

SNDi (2020)

27 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Kui Men Jie Dao

▸ Hover over bars to see values

SNDi
0
4
8
12
16
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in 夔门街道, 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 20 km of street added at an SNDi of 12.8. 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 夔门街道 as of 2020, the overall level of street-network sprawl is 13.01, which is very sprawly.

Trends in street network construction

The SNDis of street construction for the respective time periods are 16.4, 15.57, 12.64 and 12.8. The disconnectivity of new streets constructed in 夔门街道 fell, then rose. In 1991-2005, new street layouts were the most connected.

Quantity of street network construction

The street network in 夔门街道 spans a total of 27 kilometers. It is dominated by roads constructed in 2006-2020. These roads have an SNDi of 12.8, which is very 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 16.4, 15.54, 13.52 and 13.01. Overall, the SNDi of the aggregate street network has fallen: the street network in 夔门街道 has become more connected.