Trends
10.62
SNDi (2020)150 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Raozan
▸ Hover over bars to see values
The chart above shows, for each construction period in Raozan, 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 1976-1990 period contributed the greatest disconnectedness burden, with 57 km of street added at an SNDi of 10.73. 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 Raozan as of 2020, the overall level of street-network sprawl is 10.62, which is very sprawly.
Trends in street network construction
The SNDis of street construction for the respective time periods are 10.14, 10.73, 10.4 and 10.92. Disconnectivity in street construction in Raozan follows a zig-zag trend. In 1975, street construction was most disconnected, while construction was most connected in 2006-2020.
Quantity of street network construction
The street network in Raozan spans a total of 150 kilometers. The period with the greatest volume of street construction was 1976-1990. These roads have an SNDi of 10.73, 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 10.14, 10.63, 10.54 and 10.62. Disconnectivity in Raozan's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 1976-1990.