Shahadi in context: Street-network sprawl trends

Shahadi in context

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ShahadiAmhara (Region)Ethiopia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Shahadi plotted against Amhara and Ethiopia. While Amhara and Ethiopia both followed a zig-zag trend with an overall increase, Shahadi's new street additions followed a zig-zag trend with an overall increase. Most recently, Shahadi's incremental SNDi rose from 1.19 to 2.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Shahadi ranked 2nd out of 41 cities in Amhara and 28th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.0
Rank in Ethiopia
18th of 181
Rank in Amhara
1st of 41

Entire Network (Aggregate)

SNDi value
1.81
Rank in Ethiopia
28th of 181
Rank in Amhara
2nd of 41

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
ShahadiChelghoum LaidOswaldtwistle

In new street additions, Shahadi fluctuated in its street-construction patterns, while Chelghoum Laid built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Oswaldtwistle built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Shahadi fluctuated in connectivity, while Chelghoum Laid became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Oswaldtwistle became progressively more disconnected. Shahadi and Chelghoum Laid have been converging in their street-network character since 1975.