Eidgaon 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 Eidgaon plotted against Chittagong and Bangladesh. The SNDi of new construction in Eidgaon was at its lowest in 1976-1990, compared to Chittagong which rose steadily and Bangladesh which followed a zig-zag trend with an overall increase. Most recently, Eidgaon's incremental SNDi rose from 11.18 to 11.79 between 1991-2005 and 2006-2020. In terms of the aggregate network, Eidgaon ranked 37th out of 44 cities in Chittagong and 204th out of 234 in Bangladesh as of 2020.

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

What about similarly populated cities?

• Jaeryong, North Korea
• Azara, India
• Palm Desert, United States
• Buzău, Romania
• Byasanagar, India
• Belhari, India

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