Kenema in context: Street-network sprawl trends

Kenema in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
KenemaEastern (Region)Sierra Leone (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Kenema plotted against Eastern and Sierra Leone. The SNDi of new construction in Kenema followed a zig-zag trend with an overall increase, compared to Eastern which followed a zig-zag trend with an overall increase and Sierra Leone which rose steadily. Most recently, Kenema's incremental SNDi rose from 3.59 to 4.85 between 1991-2005 and 2006-2020. In terms of the aggregate network, Kenema ranked 2nd out of 3 cities in Eastern and 4th out of 12 in Sierra Leone as of 2020.

New Street Additions (2006–2020)

SNDi value
4.85
Rank in Sierra Leone
4th of 12
Rank in Eastern
2nd of 3

Entire Network (Aggregate)

SNDi value
3.63
Rank in Sierra Leone
4th of 12
Rank in Eastern
2nd of 3

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
KenemaNampoKamianske

In new street additions, Kenema and Kamianske both fluctuated in its street-construction patterns, while Nampo built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Kenema became progressively more disconnected, while Nampo grew more disconnected from 1975 through 1991-2005, then improved and Kamianske fluctuated in connectivity. Kenema and Nampo have been converging in their street-network character since 1975.