Kailahun in context: Street-network sprawl trends

Kailahun in context

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
KailahunEastern (Region)Sierra Leone (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kailahun plotted against Eastern and Sierra Leone. While Eastern and Sierra Leone both rose steadily, Kailahun's new street additions rose steadily. Most recently, Kailahun's incremental SNDi rose from 5.54 to 8.56 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kailahun ranked 3rd out of 3 cities in Eastern and 11th out of 12 in Sierra Leone as of 2020.

New Street Additions (2006–2020)

SNDi value
8.56
Rank in Sierra Leone
10th of 12
Rank in Eastern
3rd of 3

Entire Network (Aggregate)

SNDi value
7.15
Rank in Sierra Leone
11th of 12
Rank in Eastern
3rd of 3

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

What about similarly populated cities?

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
KailahunGostivarIpswich

In new street additions, Kailahun and Gostivar both built increasingly disconnected streets over time, while Ipswich built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full street network, though, all three cities follow the same trend. Notably, Kailahun had a more connected network than Gostivar in 1975 but the two have since reversed their relative ranking.