The level of street-network sprawl in new development in Nghệ An followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Nghệ An, we can consider three of its most populous cities: Vinh, Cầu Giát and Diễn Châu. Out of the three cities, Vinh does not follow the same trend as the region. The level of street-network sprawl in new development in Vinh peaked in 1991-2005.

How do development practices in Nghệ An fare in comparison to others in Vietnam? Most recently in 2006-2020, street construction in Nghệ An was the 20th-most disconnected out of the 58 regions in Vietnam. Its position in the ranks since 1975 has fallen; relative to other regions in Vietnam, street construction in Nghệ An has become more connected. Nghệ An ranked 14th in 1975, 9th in 1976-1990, 8th in 1991-2005 and 20th in 2006-2020.

As of 2020, the city with the most disconnected street network in Nghệ An is Phú Liên with an SNDi of 4.49, which is sprawly. Conversely, the most connected city is Vinh with an SNDi of 3.23, which is moderately connected. See trends for these cities: Vinh, Phú Liên

The level of street-network sprawl in the aggregate network in Nghệ An followed a zig-zag trend with an overall increase. To get a sense of how the aggregate street network has changed in Nghệ An, we can consider three of its most populous cities: Vinh, Cầu Giát and Diễn Châu. Out of the three cities, Vinh does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Vinh peaked in 1991-2005.

To date, Nghệ An is the 7th-most disconnected out of the 58 regions in Vietnam. Its position in the ranks since 1975 has risen; relative to other regions in Vietnam, the street network in Nghệ An has become more disconnected. Nghệ An ranked 14th in 1975, 10th in 1976-1990, 7th in 1991-2005 and 7th in 2006-2020.