El Wak in context: Street-network sprawl trends

El Wak in context

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
El WakMandera (Region)Kenya (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with El Wak plotted against Mandera and Kenya. The SNDi of new construction in El Wak followed a zig-zag trend with an overall increase, compared to Mandera which followed a zig-zag trend with an overall increase and Kenya which rose steadily. Most recently, El Wak's incremental SNDi rose from 2.85 to 3.1 between 1991-2005 and 2006-2020. In terms of the aggregate network, El Wak ranked 4th out of 6 cities in Mandera and 17th out of 45 in Kenya as of 2020.

New Street Additions (2006–2020)

SNDi value
3.1
Rank in Kenya
10th of 45
Rank in Mandera
4th of 6

Entire Network (Aggregate)

SNDi value
3.26
Rank in Kenya
17th of 45
Rank in Mandera
4th of 6

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
El WakKalkaIzeh

In new street additions, El Wak and Izeh both fluctuated in its street-construction patterns, while Kalka built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, El Wak grew more disconnected from 1975 through 1976-1990, then improved, while Kalka became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards and Izeh fluctuated in connectivity.