Ninh Cường 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 Ninh Cường plotted against Nam Định and Vietnam. The SNDi of new construction in Ninh Cường was at its lowest in 1976-1990, compared to Nam Định which peaked in 1991-2005 and Vietnam which rose steadily. Most recently, Ninh Cường's incremental SNDi rose from 6.22 to 6.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ninh Cường ranked 4th out of 4 cities in Nam Định and 117th out of 126 in Vietnam as of 2020.

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

What about similarly populated cities?

• Bekwai, Ghana
• Chafe, Nigeria
• Duihawa Sher Bahadur Si, India
• Rajgan, India
• Garhi Kapoora, Pakistan
• Xiji, China

In new street additions, Ninh Cường built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Bekwai built increasingly disconnected streets over time and Rajgan fluctuated in its street-construction patterns. For the full network, Ninh Cường became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Bekwai became progressively more disconnected and Rajgan fluctuated in connectivity. Ninh Cường and Bekwai have been converging in their street-network character since 1975.