Peñaflor 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 Peñaflor plotted against Santiago Metropolitan and Chile. The SNDi of new construction in Peñaflor followed a zig-zag trend with an overall increase, compared to Santiago Metropolitan which followed a zig-zag trend with an overall increase and Chile which followed a zig-zag trend with an overall increase. Most recently, Peñaflor's incremental SNDi fell from 4.85 to 4.58 between 1991-2005 and 2006-2020. In terms of the aggregate network, Peñaflor ranked 5th out of 5 cities in Santiago Metropolitan and 37th out of 38 in Chile as of 2020.

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

What about similarly populated cities?

• Pandhurna, India
• Jingxing Mining, China
• Kumagaya, Japan
• San Mateo, Venezuela
• Mantes-la-Ville, France
• Shimm al Basal al Bahari, Egypt

In new street additions, Peñaflor fluctuated in its street-construction patterns, while Pandhurna built increasingly disconnected streets over time and San Mateo fluctuated in its street-construction patterns. Looking at the full network, Pandhurna and San Mateo both became progressively more disconnected, while Peñaflor became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Peñaflor and Pandhurna have been converging in their street-network character since 1975.