Batumi in context: Street-network sprawl trends

Batumi in context

2345<19751976–19901991–20052006–2020SNDi of street additions
2345<19751976–19901991–20052006–2020SNDi of entire street network
BatumiAjaria (Region)Georgia (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Batumi plotted against Ajaria and Georgia. The SNDi of new construction in Batumi peaked in 1976-1990, compared to Ajaria which peaked in 1991-2005 and Georgia which peaked in 1991-2005. Most recently, Batumi's incremental SNDi fell from 4.07 to 3.37 between 1991-2005 and 2006-2020. In terms of the aggregate network, Batumi ranked 1st out of 1 cities in Ajaria and 2nd out of 3 in Georgia as of 2020.

New Street Additions (2006–2020)

SNDi value
3.37
Rank in Georgia
1st of 3
Rank in Ajaria
1st of 1

Entire Network (Aggregate)

SNDi value
2.92
Rank in Georgia
2nd of 3
Rank in Ajaria
1st of 1

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

What about similarly populated cities?

1.82.73.64.5<19751976–19901991–20052006–2020SNDi of street additions
1.82.73.64.5<19751976–19901991–20052006–2020SNDi of entire street network
BatumiBerkaneMarsa Matruh

While Berkane and Marsa Matruh both fluctuated in its street-construction patterns, Batumi built increasingly disconnected streets from 1975 through 1976-1990, then improved in new street additions. For the full street network, though, all three cities follow the same trend. Notably, Batumi had a more connected network than Marsa Matruh in 1975 but the two have since reversed their relative ranking.