Cai Lậy 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 Cai Lậy plotted against Tiền Giang and Vietnam. The SNDi of new construction in Cai Lậy was at its lowest in 1976-1990, compared to Tiền Giang which was at its lowest in 1976-1990 and Vietnam which rose steadily. Most recently, Cai Lậy's incremental SNDi rose from 4.7 to 5.13 between 1991-2005 and 2006-2020. In terms of the aggregate network, Cai Lậy ranked 1st out of 3 cities in Tiền Giang and 81st 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?

• Jagdispur, India
• Lawdar, Yemen
• Bajpur, India
• Parbalpur, India
• Chunarughat, Bangladesh
• Jinping, China

In new street additions, Cai Lậy built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Jagdispur built increasingly disconnected streets from 1975 through 1991-2005, then improved and Parbalpur built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Cai Lậy became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Jagdispur grew more disconnected from 1975 through 1991-2005, then improved and Parbalpur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Cai Lậy and Jagdispur have been converging in their street-network character since 1975.