Tikrit in context: Street-network sprawl trends

Tikrit in context

2.82.933.13.23.3<19751976–19901991–20052006–2020SNDi of street additions
2.82.933.13.23.3<19751976–19901991–20052006–2020SNDi of entire street network
TikritSala ad-Din (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tikrit plotted against Sala ad-Din and Iraq. The SNDi of new construction in Tikrit followed a zig-zag trend with an overall decrease, compared to Sala ad-Din which peaked in 1976-1990 and Iraq which peaked in 1976-1990. Most recently, Tikrit's incremental SNDi rose from 2.89 to 2.94 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tikrit ranked 5th out of 10 cities in Sala ad-Din and 63rd out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.94
Rank in Iraq
56th of 86
Rank in Sala ad-Din
5th of 10

Entire Network (Aggregate)

SNDi value
2.98
Rank in Iraq
63rd of 86
Rank in Sala ad-Din
5th of 10

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
TikritQiBerdiansk

In new street additions, Tikrit and Berdiansk both fluctuated in its street-construction patterns, while Qi built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Tikrit and Qi both grew more disconnected from 1975 through 1976-1990, then improved, while Berdiansk became progressively more disconnected.