Morondava in context: Street-network sprawl trends

Morondava in context

46810<19751976–19901991–20052006–2020SNDi of street additions
46810<19751976–19901991–20052006–2020SNDi of entire street network
MorondavaToliary (Region)Madagascar (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Morondava plotted against Toliary and Madagascar. While Toliary and Madagascar both rose steadily, Morondava's new street additions rose steadily. Most recently, Morondava's incremental SNDi rose from 7.96 to 10.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Morondava ranked 5th out of 5 cities in Toliary and 16th out of 21 in Madagascar as of 2020.

New Street Additions (2006–2020)

SNDi value
10.25
Rank in Madagascar
20th of 21
Rank in Toliary
5th of 5

Entire Network (Aggregate)

SNDi value
5.75
Rank in Madagascar
16th of 21
Rank in Toliary
5th of 5

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

What about similarly populated cities?

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
MorondavaMuragachaBassano del Grappa

In new street additions, Morondava built increasingly disconnected streets over time, while Muragacha fluctuated in its street-construction patterns and Bassano del Grappa built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Morondava and Bassano del Grappa both became progressively more disconnected, while Muragacha fluctuated in connectivity. Morondava and Muragacha have been growing further apart in their street-network character since 1975.