Context
The chart above shows the evolution of street network disconnectedness of the most connected and most disconnected cities in Papua New Guinea, for both new street additions (left) and the aggregate street network (right).
Papua New Guinea in context: Street-network sprawl of new development
The level of street-network sprawl in new development in Papua New Guinea rose steadily. To get a sense of how street development has changed in Papua New Guinea, we can consider three of its most populous regions: National Capital District, Chimbu and Southern Highlands. Out of the three regions, Chimbu and Southern Highlands do not follow the same trend as the country. The level of street-network sprawl in new development in Chimbu was at its lowest in 1991-2005. The level of street-network sprawl in new development in Southern Highlands peaked in 1991-2005.
How do development practices in Papua New Guinea fare in comparison to others in the world? Most recently in 2006-2020, street construction in Papua New Guinea was the 174th-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has risen; relative to other countries in the world, street construction in Papua New Guinea has become more disconnected. Papua New Guinea ranked 176th in 1975, 168th in 1976-1990, 173rd in 1991-2005 and 174th in 2006-2020.
The largest city in Papua New Guinea is Port Moresby, with a population of 305600 people. Taking into account the entire (i.e. aggregate) street network in Port Moresby as of 2020, the overall level of street-network sprawl is 5.54, which is very sprawly. The level of street-network sprawl in new development in Port Moresby peaked in 1991-2005.
Papua New Guinea in context: Aggregate street-network sprawl
As of 2020, the city with the most disconnected street network in Papua New Guinea is Kundiawa with an SNDi of 6.73, which is very sprawly. Conversely, the most connected city is Ganigle with an SNDi of 4.01, which is sprawly. See these two cities’ trends in the above graph, or dive deeper into each: Ganigle, Kundiawa.
The level of street-network sprawl in the aggregate network in Papua New Guinea rose steadily. To get a sense of how the aggregate street network has changed in Papua New Guinea, we can consider three of its most populous regions: National Capital District, Chimbu and Southern Highlands. Out of the three regions, Chimbu does not follow the same trend as the country. The level of street-network sprawl in the aggregate network in Chimbu was at its lowest in 1991-2005.
To date, Papua New Guinea is the 173rd-most disconnected out of the 179 countries in the world. Its position in the ranks since 1975 has risen; relative to other countries in the world, the street network in Papua New Guinea has become more disconnected. Papua New Guinea ranked 176th in 1975, 174th in 1976-1990, 172nd in 1991-2005 and 173rd in 2006-2020.
The largest city in Papua New Guinea is Port Moresby, with a population of 305600 people. Taking into account the entire (i.e. aggregate) street network in Port Moresby as of 2020, the overall level of street-network sprawl is 5.54, which is very sprawly. The level of street-network sprawl in the aggregate network in Port Moresby rose steadily.