The level of street-network sprawl in new development in North Khorasan fell steadily. To get a sense of how street development has changed in North Khorasan, we can consider three of its most populous cities: Bojnurd, Shirvan and Esfarayen. Out of the three cities, Shirvan does not follow the same trend as the region. The level of street-network sprawl in new development in Shirvan peaked in 1976-1990.

How do development practices in North Khorasan fare in comparison to others in Iran? Most recently in 2006-2020, street construction in North Khorasan was the 2nd-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has risen; relative to other regions in Iran, street construction in North Khorasan has become more disconnected. North Khorasan ranked 20th in 1975, 15th in 1976-1990, 6th in 1991-2005 and 2nd in 2006-2020.

As of 2020, the city with the most disconnected street network in North Khorasan is Shirvan with an SNDi of 2.81, which is relatively well-connected. Conversely, the most connected city is Bojnurd with an SNDi of 2.53, which is relatively well-connected. See trends for these cities: Bojnurd, Shirvan

The level of street-network sprawl in the aggregate network in North Khorasan fell steadily. To get a sense of how the aggregate street network has changed in North Khorasan, we can consider three of its most populous cities: Bojnurd, Shirvan and Esfarayen. Out of the three cities, Shirvan does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Shirvan peaked in 1976-1990.

To date, North Khorasan is the 8th-most disconnected out of the 31 regions in Iran. Its position in the ranks since 1975 has risen; relative to other regions in Iran, the street network in North Khorasan has become more disconnected. North Khorasan ranked 20th in 1975, 18th in 1976-1990, 14th in 1991-2005 and 8th in 2006-2020.