Bawku in context: Street-network sprawl trends

Bawku in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
BawkuUpper East (Region)Ghana (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Bawku plotted against Upper East and Ghana. The SNDi of new construction in Bawku rose steadily, compared to Upper East which rose steadily and Ghana which followed a zig-zag trend with an overall increase. Most recently, Bawku's incremental SNDi rose from 1.74 to 2.53 between 1991-2005 and 2006-2020. In terms of the aggregate network, Bawku ranked 1st out of 2 cities in Upper East and 3rd out of 53 in Ghana as of 2020.

New Street Additions (2006–2020)

SNDi value
2.53
Rank in Ghana
10th of 53
Rank in Upper East
1st of 2

Entire Network (Aggregate)

SNDi value
1.6
Rank in Ghana
3rd of 53
Rank in Upper East
1st of 2

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

What about similarly populated cities?

1.42.12.83.5<19751976–19901991–20052006–2020SNDi of street additions
1.42.12.83.5<19751976–19901991–20052006–2020SNDi of entire street network
BawkuGuangfuWuming

In new street additions, Bawku and Wuming both built increasingly disconnected streets over time, while Guangfu built increasingly connected streets over time. For the full network, Bawku and Wuming both became progressively more disconnected, while Guangfu became progressively more connected. Bawku and Guangfu have been converging in their street-network character since 1975.