Asamankese in context: Street-network sprawl trends

Asamankese in context

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
AsamankeseEastern (Region)Ghana (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Asamankese plotted against Eastern and Ghana. The SNDi of new construction in Asamankese rose steadily, compared to Eastern which rose steadily and Ghana which followed a zig-zag trend with an overall increase. Most recently, Asamankese's incremental SNDi rose from 4.01 to 5.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Asamankese ranked 2nd out of 9 cities in Eastern and 30th out of 53 in Ghana as of 2020.

New Street Additions (2006–2020)

SNDi value
5.59
Rank in Ghana
35th of 53
Rank in Eastern
3rd of 9

Entire Network (Aggregate)

SNDi value
4.28
Rank in Ghana
30th of 53
Rank in Eastern
2nd of 9

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

What about similarly populated cities?

2468<19751976–19901991–20052006–2020SNDi of street additions
2468<19751976–19901991–20052006–2020SNDi of entire street network
AsamankeseErzincanSrivilliputtur

In new street additions, Asamankese and Srivilliputtur both built increasingly disconnected streets over time, while Erzincan fluctuated in its street-construction patterns. For the full street network, though, all three cities follow the same trend. Asamankese and Erzincan have been growing further apart in their street-network character since 1975.