Santa Maria 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 Santa Maria plotted against California and United States. While California and United States both peaked in 1991-2005, Santa Maria's new street additions peaked in 1991-2005. Most recently, Santa Maria's incremental SNDi fell from 4.07 to 3.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Santa Maria ranked 7th out of 60 cities in California and 112th out of 333 in United States as of 2020.

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

What about similarly populated cities?

• Charkhi Dadri, India
• Andimeshk, Iran
• Songzi, China
• Mungra Badshahpur, India
• Liên Nghĩa, Vietnam
• Garsila, Sudan

In new street additions, Santa Maria built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Charkhi Dadri built increasingly disconnected streets over time and Mungra Badshahpur built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Santa Maria and Charkhi Dadri both became progressively more disconnected, while Mungra Badshahpur became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Santa Maria and Mungra Badshahpur have been growing further apart in their street-network character since 1975.