The level of street-network sprawl in new development in Delta rose steadily. To get a sense of how street development has changed in Delta, we can consider three of its most populous cities: Warri, Asaba and Sapele. Out of the three cities, Asaba and Sapele do not follow the same trend as the region. The level of street-network sprawl in new development in Asaba peaked in 1991-2005. The level of street-network sprawl in new development in Sapele followed a zig-zag trend with an overall increase.

As of 2020, the city with the most disconnected street network in Delta is Ugborodo with an SNDi of 13.87, which is very sprawly. Conversely, the most connected city is Ozoro with an SNDi of 2.72, which is relatively well-connected. See trends for these cities: Ozoro, Ugborodo

The level of street-network sprawl in the aggregate network in Delta rose steadily. To get a sense of how the aggregate street network has changed in Delta, we can consider three of its most populous cities: Warri, Asaba and Sapele. Out of the three cities, Asaba does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Asaba peaked in 1991-2005.