Firozkoh in context: Street-network sprawl trends

Firozkoh in context

2.83.54.24.9<19751976–19901991–20052006–2020SNDi of street additions
2.83.54.24.9<19751976–19901991–20052006–2020SNDi of entire street network
FirozkohGhor (Region)Afghanistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Firozkoh plotted against Ghor and Afghanistan. The SNDi of new construction in Firozkoh peaked in 1976-1990, compared to Ghor which was at its lowest in 1991-2005 and Afghanistan which followed a zig-zag trend with an overall increase. Most recently, Firozkoh's incremental SNDi fell from 3.35 to 2.8 between 1991-2005 and 2006-2020. In terms of the aggregate network, Firozkoh ranked 1st out of 1 cities in Ghor and 43rd out of 73 in Afghanistan as of 2020.

New Street Additions (2006–2020)

SNDi value
2.8
Rank in Afghanistan
24th of 73
Rank in Ghor
1st of 1

Entire Network (Aggregate)

SNDi value
4.48
Rank in Afghanistan
43rd of 73
Rank in Ghor
1st of 1

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

What about similarly populated cities?

3456<19751976–19901991–20052006–2020SNDi of street additions
3456<19751976–19901991–20052006–2020SNDi of entire street network
FirozkohManPasrur

In new street additions, Firozkoh and Pasrur both built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Man built increasingly disconnected streets over time. For the full network, Firozkoh became progressively more connected, while Man became progressively more disconnected and Pasrur grew more disconnected from 1975 through 1991-2005, then improved. Notably, Firozkoh had a more sprawly network than Pasrur in 1975 but the two have since reversed their relative ranking.