Trends
3.23
SNDi (2020)63 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Lingchuan
▸ Hover over bars to see values
The chart above shows, for each construction period in Lingchuan, 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 33 km of street added at an SNDi of 4.68. 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 Lingchuan as of 2020, the overall level of street-network sprawl is 3.23, which is moderately connected.
Trends in street network construction
The SNDis of street construction for the respective time periods are 2.35, 3.64, 2.28 and 4.68. Disconnectivity in street construction in Lingchuan follows a zig-zag trend. In 1991-2005, street construction was most disconnected, while construction was most connected in 2006-2020.
Quantity of street network construction
The street network in Lingchuan spans a total of 63 kilometers. It is dominated by roads constructed in 2006-2020. These roads have an SNDi of 4.68, 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 2.35, 2.48, 2.38 and 3.23. Disconnectivity in Lingchuan's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 2006-2020.