The level of street-network sprawl in new development in Pulau Pinang rose steadily. To get a sense of how street development has changed in Pulau Pinang, we can consider three of its most populous cities: George Town, Bukit Mertajam and Simpang Ampat. Out of the three cities, Bukit Mertajam does not follow the same trend as the region. The level of street-network sprawl in new development in Bukit Mertajam followed a zig-zag trend with an overall increase.

How do development practices in Pulau Pinang fare in comparison to others in Malaysia? Most recently in 2006-2020, street construction in Pulau Pinang was the 9th-most disconnected out of the 13 regions in Malaysia. Its position in the ranks since 1975 has fallen; relative to other regions in Malaysia, street construction in Pulau Pinang has become more connected. Pulau Pinang ranked 6th in 1975, 8th in 1976-1990, 8th in 1991-2005 and 9th in 2006-2020.

As of 2020, the city with the most disconnected street network in Pulau Pinang is Bukit Mertajam with an SNDi of 4.19, which is sprawly. Conversely, the most connected city is George Town with an SNDi of 3.85, which is relatively sprawly. See trends for these cities: George Town, Bukit Mertajam

The level of street-network sprawl in the aggregate network in Pulau Pinang rose steadily. To get a sense of how the aggregate street network has changed in Pulau Pinang, we can consider three of its most populous cities: George Town, Bukit Mertajam and Simpang Ampat. Disconnectivity in the most populous cities in Pulau Pinang follow the same region trend.

To date, Pulau Pinang is the 6th-most disconnected out of the 13 regions in Malaysia. Its position in the ranks since 1975 has not changed. Pulau Pinang ranked 6th in 1975, 6th in 1976-1990, 6th in 1991-2005 and 6th in 2006-2020.