Trends
3.44
SNDi (2020)130 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Emin/Dorbiljin
▸ Hover over bars to see values
The chart above shows, for each construction period in Emin/Dörbiljin, 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 76 km of street added at an SNDi of 3.59. Overall, the SNDi of new street additions followed a zig-zag trend with an overall decrease.
Most recent snapshot
Taking into account the entire (i.e. aggregate) street network in Emin/Dörbiljin as of 2020, the overall level of street-network sprawl is 3.44, which is relatively sprawly.
Trends in street network construction
The SNDis of street construction for the respective time periods are 3.75, 3.1, 3.59 and 2.48. Disconnectivity in street construction in Emin/Dörbiljin follows a zig-zag trend. In 2006-2020, street construction was most disconnected, while construction was most connected in 1975.
Quantity of street network construction
The street network in Emin/Dörbiljin spans a total of 130 kilometers. It is dominated by roads constructed in 1991-2005. These roads have an SNDi of 3.59, which is relatively 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 3.75, 3.7, 3.62 and 3.44. Overall, the SNDi of the aggregate street network has fallen: the street network in Emin/Dörbiljin has become more connected. This decrease has quickened: between 1975 and 1976-1990, SNDi fell by 0.05 points, but between 1991-2005 and 2006-2020, it fell by just 0.18.