Saint-Marc in context: Street-network sprawl trends

Saint-Marc in context

3.54.24.95.6<19751976–19901991–20052006–2020SNDi of street additions
3.54.24.95.6<19751976–19901991–20052006–2020SNDi of entire street network
Saint-MarcL'Artibonite (Region)Haiti (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Saint-Marc plotted against L'Artibonite and Haiti. The SNDi of new construction in Saint-Marc followed a zig-zag trend with an overall increase, compared to L'Artibonite which followed a zig-zag trend with an overall increase and Haiti which rose steadily. Most recently, Saint-Marc's incremental SNDi rose from 3.76 to 5.38 between 1991-2005 and 2006-2020. In terms of the aggregate network, Saint-Marc ranked 3rd out of 6 cities in L'Artibonite and 14th out of 21 in Haiti as of 2020.

New Street Additions (2006–2020)

SNDi value
5.38
Rank in Haiti
14th of 21
Rank in L'Artibonite
4th of 6

Entire Network (Aggregate)

SNDi value
4.52
Rank in Haiti
14th of 21
Rank in L'Artibonite
3rd of 6

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

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
Saint-MarcLichingaXilu

In new street additions, Saint-Marc and Xilu both fluctuated in its street-construction patterns, while Lichinga built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Saint-Marc and Xilu both fluctuated in connectivity, while Lichinga became progressively more disconnected.