Pointe-Noire in context: Street-network sprawl trends

Pointe-Noire in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Pointe-NoireKouilou (Region)Republic of the Congo (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Pointe-Noire plotted against Kouilou and Republic of the Congo. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Pointe-Noire's incremental SNDi fell from 2.71 to 2.61 between 1991-2005 and 2006-2020. In terms of the aggregate network, Pointe-Noire ranked 1st out of 1 cities in Kouilou and 3rd out of 6 in Republic of the Congo as of 2020.

New Street Additions (2006–2020)

SNDi value
2.61
Rank in Republic of the Congo
3rd of 6
Rank in Kouilou
1st of 1

Entire Network (Aggregate)

SNDi value
2.37
Rank in Republic of the Congo
3rd of 6
Rank in Kouilou
1st of 1

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

What about similarly populated cities?

2.433.64.2<19751976–19901991–20052006–2020SNDi of street additions
2.433.64.2<19751976–19901991–20052006–2020SNDi of entire street network
Pointe-NoireZhenjiangHardoi

In new street additions, Pointe-Noire built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Zhenjiang built increasingly disconnected streets from 1975 through 1991-2005, then improved and Hardoi built increasingly disconnected streets over time. For the full network, Pointe-Noire and Hardoi both became progressively more disconnected, while Zhenjiang became progressively more connected. Pointe-Noire and Zhenjiang have been converging in their street-network character since 1975.