Suq Shamar 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 Suq Shamar plotted against Hajjah and Yemen. The SNDi of new construction in Suq Shamar peaked in 1976-1990, compared to Hajjah which followed a zig-zag trend with an overall decrease and Yemen which followed a zig-zag trend with an overall increase. Most recently, Suq Shamar's incremental SNDi fell from 9.47 to 8.84 between 1991-2005 and 2006-2020. In terms of the aggregate network, Suq Shamar ranked 4th out of 5 cities in Hajjah and 50th out of 58 in Yemen as of 2020.

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

What about similarly populated cities?

• Cachoeira do Sul, Brazil
• Baihata, India
• Shangcheng, China
• Kawkareik, Myanmar
• Dhemaji, India
• Ozyorsk, Russia

In new street additions, Suq Shamar built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Cachoeira do Sul built increasingly disconnected streets over time and Kawkareik fluctuated in its street-construction patterns. For the full network, Suq Shamar grew more disconnected from 1975 through 1976-1990, then improved, while Cachoeira do Sul became progressively more disconnected and Kawkareik fluctuated in connectivity.