The level of street-network sprawl in new development in Jawa Timur rose steadily. To get a sense of how street development has changed in Jawa Timur, we can consider three of its most populous cities: Surabaya, Malang and Tulungagung. Out of the three cities, Surabaya and Malang do not follow the same trend as the region. The level of street-network sprawl in new development in Surabaya followed a zig-zag trend with an overall increase. The level of street-network sprawl in new development in Malang followed a zig-zag trend with an overall increase.

How do development practices in Jawa Timur fare in comparison to others in Indonesia? Most recently in 2006-2020, street construction in Jawa Timur was the 20th-most disconnected out of the 33 regions in Indonesia. Its position in the ranks since 1975 has not changed. Jawa Timur ranked 20th in 1975, 22nd in 1976-1990, 21st in 1991-2005 and 20th in 2006-2020.

As of 2020, the city with the most disconnected street network in Jawa Timur is Kotaanyar with an SNDi of 6.31, which is very sprawly. Conversely, the most connected city is Umbulrejo with an SNDi of 3.02, which is moderately connected. See trends for these cities: Umbulrejo, Kotaanyar

The level of street-network sprawl in the aggregate network in Jawa Timur rose steadily. To get a sense of how the aggregate street network has changed in Jawa Timur, we can consider three of its most populous cities: Surabaya, Malang and Tulungagung. Disconnectivity in the most populous cities in Jawa Timur follow the same region trend.

To date, Jawa Timur is the 21st-most disconnected out of the 33 regions in Indonesia. Its position in the ranks since 1975 has fallen; relative to other regions in Indonesia, the street network in Jawa Timur has become more connected. Jawa Timur ranked 20th in 1975, 22nd in 1976-1990, 20th in 1991-2005 and 21st in 2006-2020.