Tuz Khormato in context: Street-network sprawl trends

Tuz Khormato 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
Tuz KhormatoSala ad-Din (Region)Iraq (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tuz Khormato plotted against Sala ad-Din and Iraq. The SNDi of new construction in Tuz Khormato was at its lowest in 1976-1990, compared to Sala ad-Din which peaked in 1976-1990 and Iraq which peaked in 1976-1990. Most recently, Tuz Khormato's incremental SNDi rose from 2.05 to 2.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tuz Khormato ranked 2nd out of 10 cities in Sala ad-Din and 13th out of 86 in Iraq as of 2020.

New Street Additions (2006–2020)

SNDi value
2.14
Rank in Iraq
19th of 86
Rank in Sala ad-Din
4th of 10

Entire Network (Aggregate)

SNDi value
2.04
Rank in Iraq
13th of 86
Rank in Sala ad-Din
2nd of 10

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Tuz KhormatoJianshuiSa`dah

While Jianshui and Sa`dah both fluctuated in its street-construction patterns, Tuz Khormato built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. For the full network, Tuz Khormato became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Jianshui grew more disconnected from 1975 through 1976-1990, then improved and Sa`dah fluctuated in connectivity. Tuz Khormato and Jianshui have been converging in their street-network character since 1975.