Tilili in context: Street-network sprawl trends

Tilili in context

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

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tilili plotted against Amhara and Ethiopia. The SNDi of new construction in Tilili rose steadily, compared to Amhara which rose steadily and Ethiopia which followed a zig-zag trend with an overall increase. Most recently, Tilili's incremental SNDi rose from 2.68 to 2.78 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tilili ranked 11th out of 41 cities in Amhara and 78th out of 181 in Ethiopia as of 2020.

New Street Additions (2006–2020)

SNDi value
2.78
Rank in Ethiopia
49th of 181
Rank in Amhara
4th of 41

Entire Network (Aggregate)

SNDi value
2.32
Rank in Ethiopia
78th of 181
Rank in Amhara
11th 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
TililiTorbaliWalungu

While Torbalı and Walungu both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, Tilili built increasingly disconnected streets over time in new street additions. Looking at the full network, Torbalı and Walungu both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Tilili became progressively more disconnected. Notably, Tilili had a more connected network than Torbalı in 1975 but the two have since reversed their relative ranking.