Lima in context: Street-network sprawl trends

Lima in context

2.12.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
LimaLima Province (Region)Peru (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lima plotted against Lima Province and Peru. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Lima's incremental SNDi rose from 2.51 to 2.59 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lima ranked 1st out of 1 cities in Lima Province and 31st out of 43 in Peru as of 2020.

New Street Additions (2006–2020)

SNDi value
2.59
Rank in Peru
19th of 43
Rank in Lima Province
1st of 1

Entire Network (Aggregate)

SNDi value
2.56
Rank in Peru
31st of 43
Rank in Lima Province
1st of 1

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

What about similarly populated cities?

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
LimaRio de JaneiroShantou

Lima, Rio de Janeiro, and Shantou all fluctuated in its street-construction patterns in new street construction. Looking at the full network, Rio de Janeiro and Shantou both became progressively more disconnected, while Lima fluctuated in connectivity. Lima and Rio de Janeiro have been growing further apart in their street-network character since 1975.