Sabir in context: Street-network sprawl trends

Sabir in context

33.64.24.8<19751976–19901991–20052006–2020SNDi of street additions
33.64.24.8<19751976–19901991–20052006–2020SNDi of entire street network
SabirLahij (Region)Yemen (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Sabir plotted against Lahij and Yemen. The SNDi of new construction in Sabir was at its lowest in 1976-1990, compared to Lahij which followed a zig-zag trend with an overall increase and Yemen which followed a zig-zag trend with an overall increase. Most recently, Sabir's incremental SNDi rose from 3.12 to 3.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Sabir ranked 1st out of 2 cities in Lahij and 15th out of 58 in Yemen as of 2020.

New Street Additions (2006–2020)

SNDi value
3.64
Rank in Yemen
16th of 58
Rank in Lahij
1st of 2

Entire Network (Aggregate)

SNDi value
2.94
Rank in Yemen
15th of 58
Rank in Lahij
1st of 2

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

What about similarly populated cities?

0246<19751976–19901991–20052006–2020SNDi of street additions
0246<19751976–19901991–20052006–2020SNDi of entire street network
SabirMieziLuozi

While Miézi and Luozi both fluctuated in its street-construction patterns, Sabir built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns in new street additions. Looking at the full network, Miézi and Luozi both fluctuated in connectivity, while Sabir became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Notably, Sabir had a more sprawly network than Luozi in 1975 but the two have since reversed their relative ranking.