Pala in context: Street-network sprawl trends

Pala in context

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
PalaMayo-Kebbi Ouest (Region)Chad (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pala plotted against Mayo-Kebbi Ouest and Chad. While Mayo-Kebbi Ouest and Chad both rose steadily, Pala's new street additions rose steadily. Most recently, Pala's incremental SNDi rose from 2.09 to 2.77 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pala ranked 1st out of 2 cities in Mayo-Kebbi Ouest and 17th out of 31 in Chad as of 2020.

New Street Additions (2006–2020)

SNDi value
2.77
Rank in Chad
19th of 31
Rank in Mayo-Kebbi Ouest
2nd of 2

Entire Network (Aggregate)

SNDi value
1.86
Rank in Chad
17th of 31
Rank in Mayo-Kebbi Ouest
1st of 2

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
PalaGuiyangManfalut

In new street additions, Pala and Manfalut both built increasingly disconnected streets over time, while Guiyang fluctuated in its street-construction patterns. For the full network, Pala and Manfalut both became progressively more disconnected, while Guiyang fluctuated in connectivity.