Obiozara 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 Obiozara plotted against Ebonyi and Nigeria. The SNDi of new construction in Obiozara rose steadily, compared to Ebonyi which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Obiozara's incremental SNDi rose from 4.56 to 5.0 between 1991-2005 and 2006-2020. In terms of the aggregate network, Obiozara ranked 6th out of 9 cities in Ebonyi and 333rd 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?

• Kabeya-Kamuanga, Democratic Republic of the Congo
• Kenar Fatehpur, India
• Petaluma, United States
• Ruyuan, China
• Diégonéfla, Côte d'Ivoire
• Mahuawa, India

In new street additions, Obiozara built increasingly disconnected streets over time, while Kabeya-Kamuanga built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns and Ruyuan fluctuated in its street-construction patterns. For the full network, Obiozara became progressively more disconnected, while Kabeya-Kamuanga became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards and Ruyuan fluctuated in connectivity.