Trilyee Family in context: Street-network sprawl trends

Trilyee Family in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
Trilyee FamilyNangarhar (Region)Afghanistan (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Trilyee Family plotted against Nangarhar and Afghanistan. The SNDi of new construction in Trilyee Family followed a zig-zag trend with an overall increase, 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, Trilyee Family's incremental SNDi fell from 2.69 to 2.32 between 1991-2005 and 2006-2020. In terms of the aggregate network, Trilyee Family ranked 1st out of 4 cities in Nangarhar and 6th out of 73 in Afghanistan as of 2020.

New Street Additions (2006–2020)

SNDi value
2.32
Rank in Afghanistan
15th of 73
Rank in Nangarhar
1st of 4

Entire Network (Aggregate)

SNDi value
2.32
Rank in Afghanistan
6th of 73
Rank in Nangarhar
1st of 4

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
Trilyee FamilyTumsarHanau

While Tumsar and Hanau both fluctuated in its street-construction patterns, Trilyee Family fluctuated in its street-construction patterns in new street additions. Looking at the full network, Tumsar and Hanau both became progressively more disconnected, while Trilyee Family became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Trilyee Family and Tumsar have been growing further apart in their street-network character since 1975.