Oklahoma City in context: Street-network sprawl trends

Oklahoma City in context

1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
Oklahoma CityOklahoma (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Oklahoma City plotted against Oklahoma and United States. The SNDi of new construction in Oklahoma City rose steadily, compared to Oklahoma which rose steadily and United States which peaked in 1991-2005. Most recently, Oklahoma City's incremental SNDi rose from 4.26 to 4.47 between 1991-2005 and 2006-2020. In terms of the aggregate network, Oklahoma City ranked 1st out of 4 cities in Oklahoma and 91st out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
4.47
Rank in United States
209th of 333
Rank in Oklahoma
3rd of 4

Entire Network (Aggregate)

SNDi value
2.57
Rank in United States
91st of 333
Rank in Oklahoma
1st of 4

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

What about similarly populated cities?

1.62.43.24<19751976–19901991–20052006–2020SNDi of street additions
1.62.43.24<19751976–19901991–20052006–2020SNDi of entire street network
Oklahoma CityBahir DarKemerovo

Oklahoma City, Bahir Dar, and Kemerovo all built increasingly disconnected streets over time in new street construction. The same pattern holds for the full street network.