Yendi in context: Street-network sprawl trends

Yendi in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
YendiNorthern (Region)Ghana (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Yendi plotted against Northern and Ghana. The SNDi of new construction in Yendi was at its lowest in 1991-2005, compared to Northern which was at its lowest in 1991-2005 and Ghana which followed a zig-zag trend with an overall increase. Most recently, Yendi's incremental SNDi rose from 2.03 to 2.52 between 1991-2005 and 2006-2020. In terms of the aggregate network, Yendi ranked 3rd out of 5 cities in Northern and 10th out of 53 in Ghana as of 2020.

New Street Additions (2006–2020)

SNDi value
2.52
Rank in Ghana
9th of 53
Rank in Northern
3rd of 5

Entire Network (Aggregate)

SNDi value
2.28
Rank in Ghana
10th of 53
Rank in Northern
3rd of 5

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

What about similarly populated cities?

22.533.5<19751976–19901991–20052006–2020SNDi of street additions
22.533.5<19751976–19901991–20052006–2020SNDi of entire street network
YendiTaojiang CountyFort Abbas

In new street additions, Yendi built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while Taojiang County built increasingly disconnected streets from 1975 through 1976-1990, then improved and Fort Abbas built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Yendi became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while Taojiang County grew more disconnected from 1975 through 1991-2005, then improved and Fort Abbas became progressively more disconnected. Notably, Yendi had a more sprawly network than Fort Abbas in 1975 but the two have since reversed their relative ranking.