Siwan in context: Street-network sprawl trends
Siwan in context
The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Siwan plotted against Bihar and India. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Siwan's incremental SNDi rose from 4.46 to 5.33 between 1991-2005 and 2006-2020. In terms of the aggregate network, Siwan ranked 90th out of 264 cities in Bihar and 1170th out of 1868 in India as of 2020.
New Street Additions (2006–2020)
- SNDi value
- 5.33
- Rank in India
- 1158th of 1868
- Rank in Bihar
- 136th of 264
Entire Network (Aggregate)
- SNDi value
- 4.19
- Rank in India
- 1170th of 1868
- Rank in Bihar
- 90th of 264
Rankings go from most connected to most disconnected — rank 1 is the most connected.
What about similarly populated cities?
- Changxing, China
- Al Harafsha, Egypt
- San Antonio de los Altos [Los Teques], Venezuela
- Xinzheng, China
- Safadasht, Iran
- Bolingbrook, United States
In new street additions, Siwan and Changxing both fluctuated in its street-construction patterns, while Xinzheng built increasingly disconnected streets from 1975 through 1976-1990, then improved. For the full network, Siwan and Changxing both became progressively more disconnected, while Xinzheng grew more disconnected from 1975 through 1991-2005, then improved. Siwan and Xinzheng have been growing further apart in their street-network character since 1975.