Lleida in context: Street-network sprawl trends

Lleida in context

1.21.82.43<19751976–19901991–20052006–2020SNDi of street additions
1.21.82.43<19751976–19901991–20052006–2020SNDi of entire street network
LleidaCataluna (Region)Spain (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Lleida plotted against Cataluña and Spain. The SNDi of new construction in Lleida followed a zig-zag trend with an overall increase, compared to Cataluña which rose steadily and Spain which peaked in 1976-1990. Most recently, Lleida's incremental SNDi rose from 1.78 to 1.98 between 1991-2005 and 2006-2020. In terms of the aggregate network, Lleida ranked 4th out of 15 cities in Cataluña and 14th out of 85 in Spain as of 2020.

New Street Additions (2006–2020)

SNDi value
1.98
Rank in Spain
32nd of 85
Rank in Cataluña
3rd of 15

Entire Network (Aggregate)

SNDi value
1.48
Rank in Spain
14th of 85
Rank in Cataluña
4th of 15

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

What about similarly populated cities?

123456<19751976–19901991–20052006–2020SNDi of street additions
123456<19751976–19901991–20052006–2020SNDi of entire street network
LleidaDelingatIsiro

In new street additions, Lleida and Delingat both fluctuated in its street-construction patterns, while Isiro built increasingly disconnected streets over time. For the full street network, though, all three cities follow the same trend. Lleida and Delingat have been growing further apart in their street-network character since 1975.