Tripoli in context: Street-network sprawl trends

Tripoli in context

2.73.64.55.4<19751976–19901991–20052006–2020SNDi of street additions
2.73.64.55.4<19751976–19901991–20052006–2020SNDi of entire street network
TripoliLibya (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Tripoli plotted against Libya. The SNDi of new construction in Tripoli peaked in 1991-2005, while Libya peaked in 1976-1990. Most recently, Tripoli's incremental SNDi fell from 5.74 to 4.55 between 1991-2005 and 2006-2020. In terms of the aggregate network, Tripoli ranked 9th out of 13 in Libya as of 2020.

New Street Additions (2006–2020)

SNDi value
4.55
Rank in Libya
11th of 13

Entire Network (Aggregate)

SNDi value
4.04
Rank in Libya
9th of 13

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

What about similarly populated cities?

246<19751976–19901991–20052006–2020SNDi of street additions
246<19751976–19901991–20052006–2020SNDi of entire street network
TripoliGyanpurNiamey

In new street additions, Tripoli built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Gyanpur built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Niamey fluctuated in its street-construction patterns. For the full network, Tripoli and Niamey both became progressively more disconnected, while Gyanpur became progressively more connected. Tripoli and Gyanpur have been converging in their street-network character since 1975.