Jalalabad in context: Street-network sprawl trends

Jalalabad in context

4.24.85.4<19751976–19901991–20052006–2020SNDi of street additions
4.24.85.4<19751976–19901991–20052006–2020SNDi of entire street network
JalalabadNangarhar (Region)Afghanistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Jalalabad plotted against Nangarhar and Afghanistan. The SNDi of new construction in Jalalabad was at its lowest in 1991-2005, compared to Nangarhar which was at its lowest in 1991-2005 and Afghanistan which followed a zig-zag trend with an overall increase. Most recently, Jalalabad's incremental SNDi rose from 3.93 to 5.74 between 1991-2005 and 2006-2020. In terms of the aggregate network, Jalalabad ranked 3rd out of 4 cities in Nangarhar and 49th out of 73 in Afghanistan as of 2020.

New Street Additions (2006–2020)

SNDi value
5.74
Rank in Afghanistan
59th of 73
Rank in Nangarhar
4th of 4

Entire Network (Aggregate)

SNDi value
4.77
Rank in Afghanistan
49th of 73
Rank in Nangarhar
3rd of 4

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

23456<19751976–19901991–20052006–2020SNDi of street additions
23456<19751976–19901991–20052006–2020SNDi of entire street network
JalalabadVijayapuraLatakia

While Vijayapura and Latakia both built increasingly disconnected streets over time, Jalalabad built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns in new street additions. Looking at the full network, Vijayapura and Latakia both became progressively more disconnected, while Jalalabad became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.