The level of street-network sprawl in new development in Kalutara was at its lowest in 1976-1990. To get a sense of how street development has changed in Kalutara, we can consider one of its most populous cities: Bandaragama. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Bandaragama rose steadily.

As of 2020, the city with the most disconnected street network in Kalutara is Bandaragama with an SNDi of 5.6, which is very sprawly. Conversely, the most connected city is Bandaragama with an SNDi of 5.6, which is very sprawly. See trends for these cities: Bandaragama, Bandaragama

The level of street-network sprawl in the aggregate network in Kalutara was at its lowest in 1976-1990. To get a sense of how the aggregate street network has changed in Kalutara, we can consider one of its most populous cities: Bandaragama. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Bandaragama rose steadily.