Atakpamé in context: Street-network sprawl trends

Atakpame in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
AtakpamePlateaux (Region)Togo (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Atakpamé plotted against Plateaux and Togo. The SNDi of new construction in Atakpamé fell steadily, compared to Plateaux which rose steadily and Togo which followed a zig-zag trend with an overall increase. Most recently, Atakpamé's incremental SNDi fell from 4.34 to 4.16 between 1991-2005 and 2006-2020. In terms of the aggregate network, Atakpamé ranked 2nd out of 4 cities in Plateaux and 15th out of 17 in Togo as of 2020.

New Street Additions (2006–2020)

SNDi value
4.16
Rank in Togo
14th of 17
Rank in Plateaux
2nd of 4

Entire Network (Aggregate)

SNDi value
4.35
Rank in Togo
15th of 17
Rank in Plateaux
2nd of 4

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
AtakpameAltamiraSasebo

While Altamira and Sasebo both fluctuated in its street-construction patterns, Atakpamé built increasingly connected streets over time in new street additions. Looking at the full network, Altamira and Sasebo both became progressively more disconnected, while Atakpamé became progressively more connected. Atakpamé and Altamira have been converging in their street-network character since 1975.