The level of street-network sprawl in new development in Heilongjiang peaked in 1976-1990. To get a sense of how street development has changed in Heilongjiang, we can consider three of its most populous cities: Harbin, Qiqihar and Mudanjiang. Out of the three cities, Qiqihar does not follow the same trend as the region. The level of street-network sprawl in new development in Qiqihar peaked in 1991-2005.

How do development practices in Heilongjiang fare in comparison to others in China? Most recently in 2006-2020, street construction in Heilongjiang was the 3rd-most disconnected out of the 31 regions in China. Its position in the ranks since 1975 has fallen; relative to other regions in China, street construction in Heilongjiang has become more connected. Heilongjiang ranked 2nd in 1975, 15th in 1976-1990, 18th in 1991-2005 and 3rd in 2006-2020.

As of 2020, the city with the most disconnected street network in Heilongjiang is Heihe with an SNDi of 5.35, which is very sprawly. Conversely, the most connected city is Tonghe with an SNDi of 0.98, which is very well-connected. See trends for these cities: Tonghe, Heihe

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

To date, Heilongjiang is the 2nd-most disconnected out of the 31 regions in China. Its position in the ranks since 1975 has not changed. Heilongjiang ranked 2nd in 1975, 2nd in 1976-1990, 1st in 1991-2005 and 2nd in 2006-2020.