Tengréla in context: Street-network sprawl trends

Tengrela in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
TengrelaSavanes (Region)Cote d'Ivoire (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tengréla plotted against Savanes and Côte d'Ivoire. The SNDi of new construction in Tengréla peaked in 1991-2005, compared to Savanes which followed a zig-zag trend with an overall increase and Côte d'Ivoire which followed a zig-zag trend with an overall increase. Most recently, Tengréla's incremental SNDi fell from 2.42 to 1.5 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tengréla ranked 1st out of 5 cities in Savanes and 2nd out of 39 in Côte d'Ivoire as of 2020.

New Street Additions (2006–2020)

SNDi value
1.5
Rank in Côte d'Ivoire
1st of 39
Rank in Savanes
1st of 5

Entire Network (Aggregate)

SNDi value
1.51
Rank in Côte d'Ivoire
2nd of 39
Rank in Savanes
1st of 5

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
TengrelaMbalaCaloundra

In new street additions, Tengréla and Caloundra both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Mbala built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Tengréla became progressively more disconnected, while Mbala became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Caloundra grew more disconnected from 1975 through 1991-2005, then improved.