Borujerd in context: Street-network sprawl trends

Borujerd in context

2.533.5<19751976–19901991–20052006–2020SNDi of street additions
2.533.5<19751976–19901991–20052006–2020SNDi of entire street network
BorujerdLorestan (Region)Iran (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Borujerd plotted against Lorestan and Iran. All three follow the same trend in new construction, suggesting a shared regional pattern of development. Most recently, Borujerd's incremental SNDi rose from 3.02 to 3.64 between 1991-2005 and 2006-2020. In terms of the aggregate network, Borujerd ranked 4th out of 6 cities in Lorestan and 50th out of 169 in Iran as of 2020.

New Street Additions (2006–2020)

SNDi value
3.64
Rank in Iran
108th of 169
Rank in Lorestan
6th of 6

Entire Network (Aggregate)

SNDi value
2.64
Rank in Iran
50th of 169
Rank in Lorestan
4th of 6

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

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
BorujerdOucunPemba

In new street additions, Borujerd built increasingly disconnected streets over time, while Oucun fluctuated in its street-construction patterns and Pemba built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Borujerd became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Oucun fluctuated in connectivity and Pemba became progressively more disconnected.