Dutse 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 Dutse plotted against Jigawa and Nigeria. The SNDi of new construction in Dutse fell steadily, compared to Jigawa which peaked in 1976-1990 and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Dutse's incremental SNDi fell from 2.26 to 2.21 between 1991-2005 and 2006-2020. In terms of the aggregate network, Dutse ranked 8th out of 11 cities in Jigawa and 99th out of 422 in Nigeria as of 2020.

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

What about similarly populated cities?

• Suixi, China
• Ningxiang, China
• Ciudad Ojeda, Venezuela
• Linshui, China
• Malda, India
• Rongcheng, China

In new street additions, Dutse built increasingly connected streets over time, while Suixi built increasingly disconnected streets over time and Linshui built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Dutse became progressively more connected, while Suixi became progressively more disconnected and Linshui became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Dutse had a more sprawly network than Suixi in 1975 but the two have since reversed their relative ranking.