Toliara in context: Street-network sprawl trends

Toliara in context

34567<19751976–19901991–20052006–2020SNDi of street additions
34567<19751976–19901991–20052006–2020SNDi of entire street network
ToliaraToliary (Region)Madagascar (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Toliara plotted against Toliary and Madagascar. While Toliary and Madagascar both rose steadily, Toliara's new street additions rose steadily. Most recently, Toliara's incremental SNDi rose from 4.04 to 4.22 between 1991-2005 and 2006-2020. In terms of the aggregate network, Toliara ranked 2nd out of 5 cities in Toliary and 9th out of 21 in Madagascar as of 2020.

New Street Additions (2006–2020)

SNDi value
4.22
Rank in Madagascar
11th of 21
Rank in Toliary
3rd of 5

Entire Network (Aggregate)

SNDi value
3.21
Rank in Madagascar
9th of 21
Rank in Toliary
2nd of 5

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
ToliaraRamtekRichard-Toll

While Ramtek and Richard-Toll both fluctuated in its street-construction patterns, Toliara built increasingly disconnected streets over time in new street additions. For the full network, Toliara and Ramtek both became progressively more disconnected, while Richard-Toll fluctuated in connectivity. Toliara and Ramtek have been converging in their street-network character since 1975.