Tiko in context: Street-network sprawl trends

Tiko 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
TikoSud-Ouest (Region)Cameroon (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tiko plotted against Sud-Ouest and Cameroon. The SNDi of new construction in Tiko followed a zig-zag trend with an overall increase, compared to Sud-Ouest which peaked in 1991-2005 and Cameroon which rose steadily. Most recently, Tiko's incremental SNDi rose from 3.39 to 3.72 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tiko ranked 2nd out of 5 cities in Sud-Ouest and 23rd out of 44 in Cameroon as of 2020.

New Street Additions (2006–2020)

SNDi value
3.72
Rank in Cameroon
20th of 44
Rank in Sud-Ouest
3rd of 5

Entire Network (Aggregate)

SNDi value
3.2
Rank in Cameroon
23rd of 44
Rank in Sud-Ouest
2nd of 5

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
TikoZiguiTanay

In new street additions, Tiko fluctuated in its street-construction patterns, while Zigui fluctuated in its street-construction patterns and Tanay built increasingly disconnected streets over time. For the full network, Tiko and Tanay both became progressively more disconnected, while Zigui fluctuated in connectivity. Tiko and Zigui have been converging in their street-network character since 1975.