The level of street-network sprawl in new development in Puttalam was at its lowest in 1976-1990. To get a sense of how street development has changed in Puttalam, we can consider two of its most populous cities: Wennappuwa and Puttalam. Out of the two cities, Puttalam does not follow the same trend as the region. The level of street-network sprawl in new development in Puttalam peaked in 1991-2005.

How do development practices in Puttalam fare in comparison to others in Sri Lanka? Most recently in 2006-2020, street construction in Puttalam was the 6th-most disconnected out of the 14 regions in Sri Lanka. Its position in the ranks since 1975 has risen; relative to other regions in Sri Lanka, street construction in Puttalam has become more disconnected. Puttalam ranked 9th in 1975, 6th in 1976-1990, 7th in 1991-2005 and 6th in 2006-2020.

As of 2020, the city with the most disconnected street network in Puttalam is Wennappuwa with an SNDi of 4.85, which is sprawly. Conversely, the most connected city is Puttalam with an SNDi of 2.83, which is relatively well-connected. See trends for these cities: Puttalam, Wennappuwa

The level of street-network sprawl in the aggregate network in Puttalam was at its lowest in 1976-1990. To get a sense of how the aggregate street network has changed in Puttalam, we can consider two of its most populous cities: Wennappuwa and Puttalam. Out of the two cities, Puttalam does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Puttalam rose steadily.

To date, Puttalam is the 6th-most disconnected out of the 14 regions in Sri Lanka. Its position in the ranks since 1975 has risen; relative to other regions in Sri Lanka, the street network in Puttalam has become more disconnected. Puttalam ranked 9th in 1975, 8th in 1976-1990, 7th in 1991-2005 and 6th in 2006-2020.