Thái Nguyên 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 Thái Nguyên plotted against Vietnam. The SNDi of new construction in Thái Nguyên was at its lowest in 1976-1990, while Vietnam rose steadily. Most recently, Thái Nguyên's incremental SNDi rose from 4.96 to 6.11 between 1991-2005 and 2006-2020. In terms of the aggregate network, Thái Nguyên ranked 105th 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?

• Sungai Petani, Malaysia
• Khanewal, Pakistan
• Cabimas, Venezuela
• Bhusawal, India
• Kalihati, Bangladesh
• Iași, Romania

While Sungai Petani and Bhusawal both fluctuated in its street-construction patterns, Thái Nguyên built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. For the full network, Thái Nguyên became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Sungai Petani became progressively more disconnected and Bhusawal fluctuated in connectivity.