Thatta in context: Street-network sprawl trends

Thatta in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
ThattaSindh (Region)Pakistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Thatta plotted against Sindh and Pakistan. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Thatta's incremental SNDi rose from 3.17 to 3.65 between 1991-2005 and 2006-2020. In terms of the aggregate network, Thatta ranked 28th out of 50 cities in Sindh and 100th out of 292 in Pakistan as of 2020.

New Street Additions (2006–2020)

SNDi value
3.65
Rank in Pakistan
62nd of 292
Rank in Sindh
17th of 50

Entire Network (Aggregate)

SNDi value
3.47
Rank in Pakistan
100th of 292
Rank in Sindh
28th of 50

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

What about similarly populated cities?

1234<19751976–19901991–20052006–2020SNDi of street additions
1234<19751976–19901991–20052006–2020SNDi of entire street network
ThattaMehdawalYunmeng

In new street additions, Thatta and Mehdawal both fluctuated in its street-construction patterns, while Yunmeng built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Thatta grew more disconnected from 1975 through 1976-1990, then improved, while Mehdawal fluctuated in connectivity and Yunmeng became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Thatta and Mehdawal have been growing further apart in their street-network character since 1975.