Bangui in context: Street-network sprawl trends

Bangui 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
BanguiOmbella-M'Poko (Region)Central African Republic (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bangui plotted against Ombella-M'Poko and Central African Republic. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Bangui's incremental SNDi fell from 4.0 to 3.7 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bangui ranked 1st out of 1 cities in Ombella-M'Poko and 4th out of 7 in Central African Republic as of 2020.

New Street Additions (2006–2020)

SNDi value
3.7
Rank in Central African Republic
2nd of 7
Rank in Ombella-M'Poko
1st of 1

Entire Network (Aggregate)

SNDi value
3.55
Rank in Central African Republic
4th of 7
Rank in Ombella-M'Poko
1st of 1

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
BanguiTangierGuilin

In new street additions, Bangui and Guilin both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Tangier built increasingly disconnected streets over time. For the full network, Bangui and Tangier both became progressively more disconnected, while Guilin grew more disconnected from 1975 through 1991-2005, then improved. Bangui and Guilin have been growing further apart in their street-network character since 1975.