Yeji in context: Street-network sprawl trends

Yeji 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
YejiBono East (Region)Ghana (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yeji plotted against Bono East and Ghana. The SNDi of new construction in Yeji was at its lowest in 1976-1990, compared to Bono East which rose steadily and Ghana which followed a zig-zag trend with an overall increase. Most recently, Yeji's incremental SNDi rose from 2.13 to 2.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yeji ranked 3rd out of 5 cities in Bono East and 11th out of 53 in Ghana as of 2020.

New Street Additions (2006–2020)

SNDi value
2.8
Rank in Ghana
12th of 53
Rank in Bono East
3rd of 5

Entire Network (Aggregate)

SNDi value
2.35
Rank in Ghana
11th of 53
Rank in Bono East
3rd of 5

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

What about similarly populated cities?

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
YejiBignonaBirecik

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