Sunyani in context: Street-network sprawl trends

Sunyani 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
SunyaniBono (Region)Ghana (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sunyani plotted against Bono and Ghana. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Sunyani's incremental SNDi rose from 3.56 to 4.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sunyani ranked 3rd out of 4 cities in Bono and 24th out of 53 in Ghana as of 2020.

New Street Additions (2006–2020)

SNDi value
4.41
Rank in Ghana
22nd of 53
Rank in Bono
1st of 4

Entire Network (Aggregate)

SNDi value
3.57
Rank in Ghana
24th of 53
Rank in Bono
3rd of 4

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

What about similarly populated cities?

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
SunyaniRostockPasso Fundo

While Rostock and Passo Fundo both built increasingly disconnected streets over time, Sunyani fluctuated in its street-construction patterns in new street additions. For the full street network, though, all three cities follow the same trend. Notably, Sunyani had a more connected network than Rostock in 1975 but the two have since reversed their relative ranking.