Little Rock in context: Street-network sprawl trends

Little Rock in context

2.43.244.8<19751976–19901991–20052006–2020SNDi of street additions
2.43.244.8<19751976–19901991–20052006–2020SNDi of entire street network
Little RockArkansas (Region)United States (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Little Rock plotted against Arkansas and United States. The SNDi of new construction in Little Rock peaked in 1976-1990, compared to Arkansas which rose steadily and United States which peaked in 1991-2005. Most recently, Little Rock's incremental SNDi fell from 3.4 to 2.69 between 1991-2005 and 2006-2020. In terms of the aggregate network, Little Rock ranked 1st out of 1 cities in Arkansas and 95th out of 333 in United States as of 2020.

New Street Additions (2006–2020)

SNDi value
2.69
Rank in United States
28th of 333
Rank in Arkansas
1st of 1

Entire Network (Aggregate)

SNDi value
2.59
Rank in United States
95th of 333
Rank in Arkansas
1st of 1

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Little RockTizayucaAncona

In new street additions, Little Rock built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Tizayuca fluctuated in its street-construction patterns and Ancona built increasingly disconnected streets over time. For the full network, Little Rock and Ancona both became progressively more disconnected, while Tizayuca fluctuated in connectivity. Little Rock and Tizayuca have been growing further apart in their street-network character since 1975.