The level of street-network sprawl in new development in Cataluña rose steadily. To get a sense of how street development has changed in Cataluña, we can consider three of its most populous cities: Barcelona, Terrassa and Sant Boi de Llobregat. Out of the three cities, Barcelona and Sant Boi de Llobregat do not follow the same trend as the region. The level of street-network sprawl in new development in Barcelona followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Sant Boi de Llobregat peaked in 1976-1990.

How do development practices in Cataluña fare in comparison to others in Spain? Most recently in 2006-2020, street construction in Cataluña was the 12th-most disconnected out of the 18 regions in Spain. Its position in the ranks since 1975 has fallen; relative to other regions in Spain, street construction in Cataluña has become more connected. Cataluña ranked 8th in 1975, 9th in 1976-1990, 13th in 1991-2005 and 12th in 2006-2020.

As of 2020, the city with the most disconnected street network in Cataluña is Sant Andreu de la Barca with an SNDi of 4.64, which is sprawly. Conversely, the most connected city is Igualada with an SNDi of 1.28, which is very well-connected. See trends for these cities: Igualada, Sant Andreu de la Barca

The level of street-network sprawl in the aggregate network in Cataluña rose steadily. To get a sense of how the aggregate street network has changed in Cataluña, we can consider three of its most populous cities: Barcelona, Terrassa and Sant Boi de Llobregat. Disconnectivity in the most populous cities in Cataluña follow the same region trend.

To date, Cataluña is the 8th-most disconnected out of the 18 regions in Spain. Its position in the ranks since 1975 has not changed. Cataluña ranked 8th in 1975, 8th in 1976-1990, 8th in 1991-2005 and 8th in 2006-2020.