Lulis in context: Street-network sprawl trends

Lulis in context

246810<19751976–19901991–20052006–2020SNDi of street additions
246810<19751976–19901991–20052006–2020SNDi of entire street network
LulisMandera (Region)Kenya (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lulis plotted against Mandera and Kenya. The SNDi of new construction in Lulis 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. In terms of the aggregate network, Lulis ranked 6th out of 6 cities in Mandera and 45th out of 45 in Kenya as of 2020.

New Street Additions (2006–2020)

SNDi value
9.1
Rank in Kenya
42nd of 45
Rank in Mandera
6th of 6

Entire Network (Aggregate)

SNDi value
8.95
Rank in Kenya
45th of 45
Rank in Mandera
6th of 6

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

What about similarly populated cities?

0369<19751976–19901991–20052006–2020SNDi of street additions
0369<19751976–19901991–20052006–2020SNDi of entire street network
LulisTonborhoPhumi Roessei

In new street additions, Lulis fluctuated in its street-construction patterns, while Tonborho fluctuated in its street-construction patterns and Phumi Roessei built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Lulis became progressively more disconnected, while Tonborho fluctuated in connectivity and Phumi Roessei fluctuated in connectivity. Notably, Lulis had a more connected network than Phumi Roessei in 1975 but the two have since reversed their relative ranking.