Jumba la Mtwana in context: Street-network sprawl trends

Jumba la Mtwana in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
Jumba la MtwanaKilifi (Region)Kenya (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jumba la Mtwana plotted against Kilifi and Kenya. The SNDi of new construction in Jumba la Mtwana was at its lowest in 1976-1990, compared to Kilifi which rose steadily and Kenya which rose steadily. Most recently, Jumba la Mtwana's incremental SNDi rose from 4.36 to 5.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jumba la Mtwana ranked 2nd out of 2 cities in Kilifi and 34th out of 45 in Kenya as of 2020.

New Street Additions (2006–2020)

SNDi value
5.21
Rank in Kenya
31st of 45
Rank in Kilifi
2nd of 2

Entire Network (Aggregate)

SNDi value
4.62
Rank in Kenya
34th of 45
Rank in Kilifi
2nd of 2

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

What about similarly populated cities?

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Jumba la MtwanaYen DinhAl Dhahir

In new street additions, Jumba la Mtwana and Yên Định both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Al Dhahir built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Jumba la Mtwana and Yên Định both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Al Dhahir became progressively more connected. Jumba la Mtwana and Yên Định have been growing further apart in their street-network character since 1975.