Al Hai in context: Street-network sprawl trends

Al Hai in context

22.42.83.2<19751976–19901991–20052006–2020SNDi of street additions
22.42.83.2<19751976–19901991–20052006–2020SNDi of entire street network
Al HaiWasit (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Al Hai plotted against Wasit and Iraq. The SNDi of new construction in Al Hai was at its lowest in 1991-2005, compared to Wasit which followed a zig-zag trend with an overall decrease and Iraq which peaked in 1976-1990. Most recently, Al Hai's incremental SNDi rose from 1.91 to 2.41 between 1991-2005 and 2006-2020. In terms of the aggregate network, Al Hai ranked 2nd out of 5 cities in Wasit and 18th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.41
Rank in Iraq
29th of 86
Rank in Wasit
2nd of 5

Entire Network (Aggregate)

SNDi value
2.09
Rank in Iraq
18th of 86
Rank in Wasit
2nd of 5

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

What about similarly populated cities?

12345<19751976–19901991–20052006–2020SNDi of street additions
12345<19751976–19901991–20052006–2020SNDi of entire street network
Al HaiHigh WycombeBerezniki

In new street additions, Al Hai built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns, while High Wycombe built increasingly disconnected streets from 1975 through 1991-2005, then improved and Berezniki built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Al Hai became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards, while High Wycombe became progressively more disconnected and Berezniki became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Al Hai and High Wycombe have been growing further apart in their street-network character since 1975.