Ungwan Shehu in context: Street-network sprawl trends

Ungwan Shehu in context

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
Ungwan ShehuKaduna (Region)Nigeria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Ungwan Shehu plotted against Kaduna and Nigeria. The SNDi of new construction in Ungwan Shehu rose steadily, compared to Kaduna which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Ungwan Shehu's incremental SNDi rose from 2.23 to 2.97 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ungwan Shehu ranked 2nd out of 11 cities in Kaduna and 56th out of 422 in Nigeria as of 2020.

New Street Additions (2006–2020)

SNDi value
2.97
Rank in Nigeria
107th of 422
Rank in Kaduna
4th of 11

Entire Network (Aggregate)

SNDi value
1.8
Rank in Nigeria
56th of 422
Rank in Kaduna
2nd of 11

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

What about similarly populated cities?

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
Ungwan ShehuHaleji SharifChegutu

In new street additions, Ungwan Shehu and Chegutu both built increasingly disconnected streets over time, while Haleji Sharif built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Ungwan Shehu and Chegutu both became progressively more disconnected, while Haleji Sharif became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Ungwan Shehu and Haleji Sharif have been converging in their street-network character since 1975.