Trends
5.69
SNDi (2020)11,000 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Dong Nai
▸ Hover over bars to see values
The chart above shows, for each construction period in the Đồng Nai region, 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 4,600 km of street added at an SNDi of 5.36. Overall, the SNDi of new street additions in the region followed a zig-zag trend with an overall increase.
How have Đồng Nai's street networks changed over time?
Most recent snapshot
Taking into account the entire (i.e. aggregate) street network in Đồng Nai as of 2020, the overall level of street-network sprawl is 5.69, which is very sprawly.
Trends in street network construction
The SNDis of street construction for the respective time periods are 5.51, 5.87, 5.36 and 6.17. Disconnectivity in street construction in Đồng Nai 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 Đồng Nai spans a total of 11,000 kilometers. It is dominated by roads constructed in 1991-2005. These roads have an SNDi of 5.36, 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 5.51, 5.72, 5.51 and 5.69. Disconnectivity in Đồng Nai's street network follows a zig-zag trend. In 1975, the region was most disconnected; while it was most connected in 1976-1990.