Asarama in context: Street-network sprawl trends

Asarama in context

468<19751976–19901991–20052006–2020SNDi of street additions
468<19751976–19901991–20052006–2020SNDi of entire street network
AsaramaRivers (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Asarama plotted against Rivers and Nigeria. While Rivers and Nigeria both followed a zig-zag trend with an overall increase, Asarama's new street additions followed a zig-zag trend with an overall increase. Most recently, Asarama's incremental SNDi rose from 4.09 to 9.04 between 1991-2005 and 2006-2020. In terms of the aggregate network, Asarama ranked 24th out of 28 cities in Rivers and 406th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
9.04
Rank in Nigeria
401st of 422
Rank in Rivers
22nd of 28

Entire Network (Aggregate)

SNDi value
6.59
Rank in Nigeria
406th of 422
Rank in Rivers
24th of 28

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

What about similarly populated cities?

46810<19751976–19901991–20052006–2020SNDi of street additions
46810<19751976–19901991–20052006–2020SNDi of entire street network
AsaramaTagaytayAnghapur

In new street additions, Asarama fluctuated in its street-construction patterns, while Tagaytay built increasingly disconnected streets from 1975 through 1991-2005, then improved and Anghapur built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Asarama fluctuated in connectivity, while Tagaytay became progressively more disconnected and Anghapur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Asarama and Tagaytay have been converging in their street-network character since 1975.