Trends
4.01
SNDi (2020)110 km
Total street network1975–2020
Analysis periodDisconnectedness burden of street construction in Panzhou
▸ Hover over bars to see values
The chart above shows, for each construction period in Panzhou, 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 65 km of street added at an SNDi of 4.41. 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 Panzhou as of 2020, the overall level of street-network sprawl is 4.01, which is sprawly.
Trends in street network construction
The SNDis of street construction for the respective time periods are 11.72, 4.72, 3.4 and 4.41. The disconnectivity of new streets constructed in Panzhou fell, then rose. In 1991-2005, new street layouts were the most connected.
Quantity of street network construction
The street network in Panzhou spans a total of 110 kilometers. It is dominated by roads constructed prior to 1975. These roads have an SNDi of 11.72, 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 11.72, 5.04, 3.56 and 4.01. The SNDi of the aggregate street network in fell at first, but Panzhou has worsened in disconnectivity since 2000.