Sarai Alamgir in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sarai Alamgir plotted against Punjab and Pakistan. The SNDi of new construction in Sarai Alamgir rose steadily, compared to Punjab which followed a zig-zag trend with an overall increase and Pakistan which followed a zig-zag trend with an overall increase. Most recently, Sarai Alamgir's incremental SNDi rose from 5.66 to 5.92 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sarai Alamgir ranked 139th out of 146 cities in Punjab and 245th out of 292 in Pakistan as of 2020.

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

What about similarly populated cities?

• Koumra, Chad
• San Fernando, Trinidad and Tobago
• Daying, China
• Rajsamand, India
• Al Ayyat, Egypt
• Nabatieh, Lebanon

In new street additions, Sarai Alamgir built increasingly disconnected streets over time, while Koumra fluctuated in its street-construction patterns and Rajsamand fluctuated in its street-construction patterns. For the full network, Sarai Alamgir became progressively more disconnected, while Koumra became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Rajsamand fluctuated in connectivity.