Trends

2.13

SNDi (2020)

4,600 km

Total street network

1975–2020

Analysis period

Disconnectedness burden of street construction in Lome

▸ Hover over bars to see values

SNDi
0
0.7
1.4
2.1
<1975
1976–1990
1991–2005
2006–2020

The chart above shows, for each construction period in Lomé, 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 2,100 km of street added at an SNDi of 1.97. 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 Lomé as of 2020, the overall level of street-network sprawl is 2.13, which is well-connected.

Trends in street network construction

The SNDis of street construction for the respective time periods are 2.03, 2.64, 1.97 and 2.33. Disconnectivity in street construction in Lomé follows a zig-zag trend. In 1991-2005, street construction was most disconnected, while construction was most connected in 1976-1990.

Quantity of street network construction

The street network in Lomé spans a total of 4,600 kilometers. It is dominated by roads constructed in 1991-2005. These roads have an SNDi of 1.97, which is well-connected.

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 2.03, 2.23, 2.09 and 2.13. Disconnectivity in Lomé's street network follows a zig-zag trend. In 1975, the city was most disconnected; while it was most connected in 1976-1990.