Ugep 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 Ugep plotted against Cross River and Nigeria. The SNDi of new construction in Ugep rose steadily, compared to Cross River which rose steadily and Nigeria which followed a zig-zag trend with an overall increase. Most recently, Ugep's incremental SNDi rose from 4.55 to 5.25 between 1991-2005 and 2006-2020. In terms of the aggregate network, Ugep ranked 3rd out of 6 cities in Cross River and 266th 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?

• Olsztyn, Poland
• Dakshin Gopalnagar, India
• Zuru, Nigeria
• Jinchang, China
• Fenchuganj, Bangladesh
• Motherwell, South Africa

In new street additions, Ugep and Olsztyn both built increasingly disconnected streets over time, while Jinchang built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Ugep and Olsztyn both became progressively more disconnected, while Jinchang became progressively more connected. Notably, Ugep had a more connected network than Jinchang in 1975 but the two have since reversed their relative ranking.