The level of street-network sprawl in new development in Hadjer-Lamis peaked in 1976-1990. To get a sense of how street development has changed in Hadjer-Lamis, we can consider one of its most populous cities: Bokoro. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Bokoro peaked in 1991-2005.

How do development practices in Hadjer-Lamis fare in comparison to others in Chad? Most recently in 2006-2020, street construction in Hadjer-Lamis was the 12th-most disconnected out of the 19 regions in Chad. Its position in the ranks since 1975 has risen; relative to other regions in Chad, street construction in Hadjer-Lamis has become more disconnected. Hadjer-Lamis ranked 13th in 1975, 17th in 1976-1990, 15th in 1991-2005 and 12th in 2006-2020.

As of 2020, the city with the most disconnected street network in Hadjer-Lamis is Bokoro with an SNDi of 3.13, which is moderately connected. Conversely, the most connected city is Bokoro with an SNDi of 3.13, which is moderately connected. See trends for these cities: Bokoro, Bokoro

The level of street-network sprawl in the aggregate network in Hadjer-Lamis peaked in 1991-2005. To get a sense of how the aggregate street network has changed in Hadjer-Lamis, we can consider one of its most populous cities: Bokoro. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in the aggregate network in Bokoro followed a zig-zag trend with an overall increase.

To date, Hadjer-Lamis is the 12th-most disconnected out of the 19 regions in Chad. Its position in the ranks since 1975 has risen; relative to other regions in Chad, the street network in Hadjer-Lamis has become more disconnected. Hadjer-Lamis ranked 13th in 1975, 16th in 1976-1990, 15th in 1991-2005 and 12th in 2006-2020.