The level of street-network sprawl in new development in Sarawak followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Sarawak, we can consider three of its most populous cities: Kuching, Sibu and Bintulu. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Kuching rose steadily. The level of street-network sprawl in new development in Sibu rose steadily. The level of street-network sprawl in new development in Bintulu peaked in 1976-1990.

As of 2020, the city with the most disconnected street network in Sarawak is Bintulu with an SNDi of 6.41, which is very sprawly. Conversely, the most connected city is Sibu with an SNDi of 4.45, which is sprawly. See trends for these cities: Sibu, Bintulu

The level of street-network sprawl in the aggregate network in Sarawak rose steadily. To get a sense of how the aggregate street network has changed in Sarawak, we can consider three of its most populous cities: Kuching, Sibu and Bintulu. Out of the three cities, Bintulu does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Bintulu peaked in 1991-2005.