Nkwanta in context: Street-network sprawl trends

Nkwanta in context

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
NkwantaOti (Region)Ghana (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Nkwanta plotted against Oti and Ghana. The SNDi of new construction in Nkwanta rose steadily, compared to Oti which was at its lowest in 1976-1990 and Ghana which followed a zig-zag trend with an overall increase. Most recently, Nkwanta's incremental SNDi rose from 8.92 to 12.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Nkwanta ranked 2nd out of 2 cities in Oti and 53rd out of 53 in Ghana as of 2020.

New Street Additions (2006–2020)

SNDi value
12.41
Rank in Ghana
53rd of 53
Rank in Oti
2nd of 2

Entire Network (Aggregate)

SNDi value
10.2
Rank in Ghana
53rd of 53
Rank in Oti
2nd of 2

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

What about similarly populated cities?

36912<19751976–19901991–20052006–2020SNDi of street additions
36912<19751976–19901991–20052006–2020SNDi of entire street network
NkwantaTchambaDidim

In new street additions, Nkwanta built increasingly disconnected streets over time, while Tchamba built increasingly disconnected streets from 1975 through 1991-2005, then improved and Didim built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Nkwanta and Tchamba both became progressively more disconnected, while Didim grew more disconnected from 1975 through 1976-1990, then improved. Nkwanta and Tchamba have been growing further apart in their street-network character since 1975.